Simple Carrot Cake Baked Oatmeal

Looking for a breakfast that feels like dessert but still counts as a healthy start to your day? I know the struggle of wanting something warm and comforting in the morning without all the guilt that comes with actual cake for breakfast.

This carrot cake baked oatmeal is exactly what you need. It’s packed with wholesome oats, sweet carrots, and warm spices like cinnamon and ginger, plus it’s easy to make ahead on Sunday and reheat throughout the week. You get all those cozy carrot cake flavors—the nuts, the raisins, the creamy topping—without standing over the stove every morning or reaching for a sugar-loaded pastry.

What Kind of Oats Should I Use?

For this baked oatmeal, old-fashioned rolled oats are your best bet since they hold their texture and create that perfect chewy consistency we’re looking for. Quick oats will work in a pinch, but they tend to get a bit mushier and won’t give you that hearty bite. Steel-cut oats aren’t recommended here since they need a much longer cooking time and won’t soften properly in a baked oatmeal recipe. If you need a gluten-free option, just make sure to grab certified gluten-free oats, as regular oats are often processed in facilities that handle wheat.

Options for Substitutions

This recipe is pretty forgiving when it comes to swapping ingredients:

• Oats: Stick with rolled oats or old-fashioned oats for this one – they’re really what makes baked oatmeal work. Quick oats will turn mushy, and steel-cut oats won’t soften enough during baking.
• Almond milk: Any milk works here – regular dairy milk, oat milk, soy milk, or coconut milk. Just use whatever you have in the fridge.
• Treacle: If you can’t find treacle, molasses is your best bet as a substitute. You can also use maple syrup or honey, though the flavor will be a bit lighter and less rich.
• Grated ginger: Fresh ginger can be swapped with 1/2 teaspoon of ground ginger if that’s what you have. The flavor won’t be quite as bright, but it’ll still taste great.
• Walnuts: Pecans work really well in place of walnuts, or you can use chopped almonds. Not a nut fan? Just leave them out or add some extra raisins instead.
• Raisins: Swap these with dried cranberries, chopped dates, or even chocolate chips if you want something different.

Watch Out for These Mistakes While Baking

The biggest mistake with baked oatmeal is skipping the step of pressing the oats down into the liquid before baking, which can leave you with dry, crunchy oats on top instead of a creamy, cohesive texture throughout.

Another common error is overbaking – once the edges are set and the center still has a slight jiggle, pull it out of the oven since it will continue cooking as it cools and you don’t want it to turn dry and crumbly.

To get the best flavor, make sure your grated carrots aren’t too wet (give them a gentle squeeze if needed), and consider toasting your walnuts for a few minutes before adding them on top for extra depth.

Finally, don’t skip the cooling time – those 5-10 minutes allow the oatmeal to firm up properly, making it much easier to slice and serve without it falling apart on your plate.

What to Serve With Carrot Cake Baked Oatmeal?

This baked oatmeal is pretty filling on its own, but I love topping it with a dollop of Greek yogurt or a drizzle of cream cheese frosting to really play up those carrot cake flavors. A hot cup of coffee or chai tea makes a great pairing for breakfast, especially since the warm spices in the oatmeal complement the drink so well. If you’re serving this for brunch, fresh fruit like sliced bananas or berries on the side adds a nice freshness that balances out the sweetness. You can also add a sprinkle of extra walnuts or a handful of granola on top for some crunch if you’re into different textures.

Storage Instructions

Store: This carrot cake baked oatmeal keeps really well in the fridge for up to 5 days. Just cover it tightly with plastic wrap or store it in an airtight container. I like to cut it into squares right away so I can grab a piece for breakfast throughout the week.

Freeze: You can definitely freeze individual portions for later. Let it cool completely, then wrap each piece in plastic wrap and place in a freezer bag for up to 3 months. It’s great to have on hand for busy mornings when you need something quick and filling.

Reheat: Warm it up in the microwave for about 45-60 seconds, or pop it in the oven at 350°F for 10-15 minutes if you’re reheating a larger portion. I think it tastes even better the next day after all the flavors have had time to meld together!

Estimated Nutrition

Estimated nutrition for the whole recipe (without optional ingredients):

• Calories: 1700-1850
• Protein: 35-40 g
• Fat: 45-55 g
• Carbohydrates: 295-315 g

Ingredients

For the dry mixture:

• 2 1/2 cups oats (I always use Bob’s Red Mill Old Fashioned Rolled Oats)
• 1 1/2 tsp baking powder
• 2 1/2 tsp cinnamon
• 1/2 tsp ginger powder
• 1/4 tsp salt
• 1/4 tsp ground nutmeg

For the wet mixture:

• 1 1/2 cups shredded carrots (grated into thin shards for better moisture distribution)
• 2 1/2 cups almond milk
• 1/2 cup treacle (I prefer Lyle’s Black Treacle for its deep, rich flavor)
• 2 tsp vanilla essence
• 1 1/2 tsp fresh grated ginger

For the toppings:

• 1/4 cup raisins (soaked in warm water for 5 minutes to keep them plump)
• 1/2 cup walnuts (roughly chopped into 1/4-inch pieces)
• 1/4 cup chopped pecans

For the garnish (optional):

• coconut whipped cream
• maple syrup
• vanilla yogurt

Step 1: Prepare Ingredients and Preheat Oven

• 1 1/2 cups shredded carrots
• 1/2 cup walnuts
• 1/4 cup chopped pecans
• 1/4 cup raisins

Preheat your oven to 375°F and grease a 9×13 inch baking dish (or similar size).

While the oven heats, grate your carrots into thin shards—this increases surface area and helps distribute moisture evenly throughout the oatmeal.

Roughly chop the walnuts and pecans into about 1/4-inch pieces, then soak the raisins in warm water for 5 minutes to plump them up and add natural sweetness.

Having everything prepped and ready makes the next steps move smoothly.

Step 2: Combine Dry Ingredients

• 2 1/2 cups oats
• 1 1/2 tsp baking powder
• 2 1/2 tsp cinnamon
• 1/2 tsp ginger powder
• 1/4 tsp salt
• 1/4 tsp ground nutmeg

In a large mixing bowl, whisk together the oats, baking powder, cinnamon, ginger powder, salt, and nutmeg.

Make sure the spices and leavening agent are evenly distributed throughout the oats—this ensures consistent flavor and rise in every bite.

I like to use Bob’s Red Mill Old Fashioned Rolled Oats because they hold their texture better during baking and create a more pleasant mouthfeel than steel-cut varieties.

Step 3: Build the Wet Mixture

• 2 1/2 cups almond milk
• 1/2 cup treacle
• 2 tsp vanilla essence
• 1 1/2 tsp fresh grated ginger
• 1 1/2 cups shredded carrots from Step 1

In a separate bowl, combine the almond milk, treacle, vanilla essence, and fresh grated ginger.

Stir until the treacle is fully incorporated and the mixture is smooth.

The treacle adds deep molasses notes and moisture that makes this baked oatmeal tender rather than dense.

I prefer Lyle’s Black Treacle for its rich, complex flavor, but regular molasses works well too.

Add the grated carrots to this wet mixture and stir to combine.

Step 4: Combine Wet and Dry, Then Assemble in Baking Dish

• dry ingredient mixture from Step 2
• wet ingredient mixture from Step 3
• 1/4 cup raisins from Step 1
• 1/2 cup walnuts from Step 1
• 1/4 cup chopped pecans from Step 1

Pour the wet ingredient mixture into the bowl with the dry ingredient mixture and stir until just combined—you want a thick, chunky batter, not a smooth paste.

Transfer everything to your prepared baking dish and use the back of a spoon to gently press the oats into the liquid.

This ensures even moisture absorption and prevents dry pockets of oats on the surface.

Scatter the soaked raisins and chopped walnuts and pecans evenly over the top.

Step 5: Bake Until Set and Golden

Bake uncovered for 32–37 minutes, until the surface is lightly golden and a toothpick inserted into the center comes out clean or with just a few moist crumbs.

The baking dish should feel set when you gently shake it, though the center may still have a slight jiggle.

The oatmeal will continue to set as it cools.

Step 6: Cool and Serve with Toppings

• coconut whipped cream
• maple syrup
• vanilla yogurt

Let the baked oatmeal cool for 5–10 minutes before serving—this allows it to firm up slightly and makes portioning easier.

Serve warm with a generous dollop of coconut whipped cream, a drizzle of maple syrup, and a spoonful of vanilla yogurt.

The cool, creamy toppings provide a beautiful contrast to the warm, spiced oatmeal.

Simple Carrot Cake Baked Oatmeal

Delicious Simple Carrot Cake Baked Oatmeal recipe with step-by-step instructions.

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 35 minutes mins

Total Time 52 minutes mins

Servings 6 servings

Calories 1775 kcal

Ingredients

  

For the dry mixture::

• 2 1/2 cups oats (I always use Bob's Red Mill Old Fashioned Rolled Oats)
• 1 1/2 tsp baking powder
• 2 1/2 tsp cinnamon
• 1/2 tsp ginger powder
• 1/4 tsp salt
• 1/4 tsp ground nutmeg

For the wet mixture::

• 1 1/2 cups shredded carrots (grated into thin shards for better moisture distribution)
• 2 1/2 cups almond milk
• 1/2 cup treacle (I prefer Lyle's Black Treacle for its deep, rich flavor)
• 2 tsp vanilla essence
• 1 1/2 tsp fresh grated ginger

For the toppings::

• 1/4 cup raisins (soaked in warm water for 5 minutes to keep them plump)
• 1/2 cup walnuts (roughly chopped into 1/4-inch pieces)
• 1/4 cup chopped pecans

For the garnish (optional):

• coconut whipped cream
• maple syrup
• vanilla yogurt

Instructions

 

• Preheat your oven to 375°F and grease a 9x13 inch baking dish (or similar size). While the oven heats, grate your carrots into thin shards—this increases surface area and helps distribute moisture evenly throughout the oatmeal. Roughly chop the walnuts and pecans into about 1/4-inch pieces, then soak the raisins in warm water for 5 minutes to plump them up and add natural sweetness. Having everything prepped and ready makes the next steps move smoothly.
• In a large mixing bowl, whisk together the oats, baking powder, cinnamon, ginger powder, salt, and nutmeg. Make sure the spices and leavening agent are evenly distributed throughout the oats—this ensures consistent flavor and rise in every bite. I like to use Bob's Red Mill Old Fashioned Rolled Oats because they hold their texture better during baking and create a more pleasant mouthfeel than steel-cut varieties.
• In a separate bowl, combine the almond milk, treacle, vanilla essence, and fresh grated ginger. Stir until the treacle is fully incorporated and the mixture is smooth. The treacle adds deep molasses notes and moisture that makes this baked oatmeal tender rather than dense. I prefer Lyle's Black Treacle for its rich, complex flavor, but regular molasses works well too. Add the grated carrots to this wet mixture and stir to combine.
• Pour the wet ingredient mixture into the bowl with the dry ingredient mixture and stir until just combined—you want a thick, chunky batter, not a smooth paste. Transfer everything to your prepared baking dish and use the back of a spoon to gently press the oats into the liquid. This ensures even moisture absorption and prevents dry pockets of oats on the surface. Scatter the soaked raisins and chopped walnuts and pecans evenly over the top.
• Bake uncovered for 32–37 minutes, until the surface is lightly golden and a toothpick inserted into the center comes out clean or with just a few moist crumbs. The baking dish should feel set when you gently shake it, though the center may still have a slight jiggle. The oatmeal will continue to set as it cools.
• Let the baked oatmeal cool for 5–10 minutes before serving—this allows it to firm up slightly and makes portioning easier. Serve warm with a generous dollop of coconut whipped cream, a drizzle of maple syrup, and a spoonful of vanilla yogurt. The cool, creamy toppings provide a beautiful contrast to the warm, spiced oatmeal.