Comforting Roasted Red Pepper and Garlic Soup

If you ask me, roasted red pepper and garlic soup is pure comfort in a bowl.

This cozy soup brings together sweet roasted peppers and mellow garlic for a simple weeknight dinner that feels special. The peppers get caramelized in the oven until they’re soft and smoky, while the garlic becomes nutty and mild.

Everything gets blended together with some broth and cream for a smooth, satisfying soup. A swirl of olive oil and some crusty bread on the side make it feel like a restaurant meal at home.

It’s the kind of soup that warms you up from the inside out, perfect for those chilly Portland evenings when you want something easy but good.

What Kind of Red Bell Peppers Should I Use?

Any red bell peppers from the grocery store will work great for this soup, but there are a few things to keep in mind when selecting them. Look for peppers that feel heavy for their size and have smooth, glossy skin without soft spots or wrinkles. Red peppers are naturally sweeter than green ones, which is exactly what you want for a roasted soup since the roasting process will bring out even more of that natural sweetness. If you can only find orange or yellow bell peppers, those will work too and will give you a slightly different but equally delicious flavor profile.

Options for Substitutions

This soup is pretty forgiving when it comes to swapping ingredients, so here are some options:

• Red bell peppers: If you can’t find red peppers, orange or yellow bell peppers work great too. You can even use jarred roasted red peppers – just use about 2 cups and skip the roasting step.
• Whole garlic heads: Don’t have whole heads? Use about 8-10 regular garlic cloves instead. Wrap them in foil with a drizzle of oil and roast them the same way.
• Shallot: No shallots on hand? Just use a bit more yellow onion – about an extra 1/4 cup should do the trick.
• Sun dried tomatoes: These add great depth, but if you don’t have them, try 2 tablespoons of tomato paste or even a few cherry tomatoes for a fresh twist.
• Vegetable or chicken stock: Either stock works fine, but if you’re out, you can use water with a bouillon cube or even low-sodium broth from a carton.
• Lemon juice: Fresh is best, but bottled lemon juice works in a pinch. You could also try a splash of white wine vinegar for that bright, acidic finish.

Watch Out for These Mistakes While Cooking

The biggest mistake when roasting red peppers is not charring them enough – you want the skins to be completely blackened and blistered, which gives the soup its deep, smoky flavor that makes all the difference.

Don’t rush the roasting process by cranking up the heat too high, as this will burn the outside while leaving the inside undercooked, and make sure to cover the peppers with foil or place them in a bowl immediately after roasting so the steam helps loosen those stubborn skins.

When roasting the garlic heads, drizzle them with a little olive oil and wrap in foil to prevent them from drying out, and be patient – properly roasted garlic should be golden and soft enough to squeeze out like paste.

Finally, always taste and adjust your seasoning at the end since roasted vegetables can vary in sweetness, and that splash of lemon juice should be added just before serving to keep the bright, fresh flavor from cooking out.

What to Serve With Roasted Red Pepper and Garlic Soup?

This soup is perfect with a thick slice of crusty bread or some warm pita for dipping into all that roasted goodness. I love serving it alongside a simple arugula salad with a light vinaigrette since the peppery greens balance out the sweet, smoky flavors of the roasted peppers. A grilled cheese made with goat cheese or cream cheese works really well too, especially if you want something a bit more grown-up than the classic cheddar version. You could also add a dollop of Greek yogurt or a swirl of cream right on top of the soup for extra richness.

Storage Instructions

Refrigerate: This soup keeps really well in the fridge for up to 5 days in an airtight container. The flavors actually get better after a day or two as everything melds together. I love having this ready to go for quick lunches throughout the week.

Freeze: You can freeze this soup for up to 3 months in freezer-safe containers or bags. Just make sure to leave some room at the top for expansion. I like to freeze it in individual portions so I can thaw exactly what I need.

Warm Up: Heat the soup gently on the stovetop over medium-low heat, stirring occasionally until warmed through. You can also microwave it in 30-second intervals, stirring between each one. If it seems a bit thick after storing, just add a splash of broth to thin it out.

Preparation Time	15-20 minutes
Cooking Time	65 minutes
Total Time	80-85 minutes
Level of Difficulty	Medium

Estimated Nutrition

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

• Calories: 250-300
• Protein: 7-10 g
• Fat: 7-10 g
• Carbohydrates: 45-55 g

Ingredients

For the soup:

• 1 shallot, diced
• 3 whole garlic bulbs, top trimmed by 1/4 inch (creates a flat surface for roasting)
• 5 oil-packed sun-dried tomatoes (adds rich, concentrated flavor)
• 1 tbsp lemon juice, freshly squeezed (not bottled)
• 2 1/2 cups vegetable or chicken stock
• 1/4 tsp celery salt
• 5 red bell peppers, quartered (roasted until deeply caramelized)
• Kosher salt and cracked black pepper, to taste (I prefer Diamond Crystal kosher salt)
• 1 yellow onion, diced (about 3/4-inch pieces)

For garnish:

• Fresh oregano leaves (optional, adds brightness)
• Heavy cream, for swirling (optional but recommended for richness)
• Extra virgin olive oil or vegan pesto, for serving

Step 1: Roast Peppers and Garlic Until Deeply Caramelized

• 5 red bell peppers, quartered
• 3 whole garlic bulbs, top trimmed
• Olive oil
• Kosher salt

Preheat your oven to 400°F.

Cut the red bell peppers into quarters and arrange them skin-side up on a baking sheet.

Trim the top 1/4 inch off each garlic bulb to create a flat surface, place them on foil, drizzle generously with olive oil and sprinkle with salt, then wrap the foil around them to create a sealed packet.

Roast everything together for 45 minutes until the pepper skins are blackened and charred in spots and the garlic cloves are soft and golden.

The deep caramelization here is crucial for building the soup’s rich, complex flavor—don’t rush this step or pull them out early.

Step 2: Steam and Peel the Roasted Peppers

• roasted peppers from Step 1
• roasted garlic from Step 1

Immediately transfer the hot roasted peppers to an airtight container and seal it tightly.

Let them steam undisturbed for 20 minutes—this steaming loosens the charred skins and makes them peel away effortlessly.

Once cooled slightly, gently rub the skins off with your fingers under cool running water or with a damp cloth.

Don’t worry about removing every last bit of char; a little adds to the flavor.

Squeeze the soft garlic cloves out of their skins and set aside with the peeled peppers.

Step 3: Build the Aromatics Base

• 1 tbsp olive oil
• 1 yellow onion, diced
• 1 shallot, diced
• 1/4 tsp celery salt

Heat 1 tablespoon of olive oil in a large pot or Dutch oven over medium heat.

Add the diced onion, diced shallot, and celery salt, stirring occasionally until the vegetables are softened and translucent, about 6-8 minutes.

This creates a flavorful foundation that will carry the roasted pepper and garlic throughout the soup.

I like to add the celery salt early because it seasons the base gently rather than hitting all at once at the end.

Step 4: Combine and Simmer the Soup Base

• aromatic base from Step 3
• roasted peppers and garlic from Step 2
• 5 oil-packed sun-dried tomatoes
• 2 1/2 cups vegetable or chicken stock

Add the roasted garlic cloves and peeled red peppers from Step 2 to the pot along with the sun-dried tomatoes and vegetable or chicken stock.

Stir everything together to combine evenly, then reduce heat to medium-low and simmer gently for 20 minutes.

This simmering allows all the flavors to meld together and deepens the overall taste.

The soup will look rustic and chunky at this point—that’s exactly right.

Step 5: Blend and Season the Soup

• soup base from Step 4
• 1 tbsp lemon juice, freshly squeezed
• Kosher salt and cracked black pepper, to taste

Remove the pot from heat and let the soup cool for a few minutes until it’s comfortable to handle.

Working in batches if needed, carefully transfer the soup to a blender and blend until completely smooth and creamy—the natural starches from the peppers and onions create body without needing cream in the base.

Pour the blended soup back into the pot, then stir in the fresh lemon juice.

Taste and season generously with kosher salt and cracked black pepper.

Fresh lemon juice is essential here; it brightens the soup and cuts through the richness of the roasted peppers perfectly.

Step 6: Serve with Garnishes and Optional Cream

• blended soup from Step 5
• Heavy cream, for swirling
• Extra virgin olive oil or vegan pesto, for serving
• Fresh oregano leaves

Gently reheat the soup if needed over medium-low heat.

Ladle into bowls and drizzle with a swirl of heavy cream if using, or finish with a drizzle of excellent extra virgin olive oil or vegan pesto for richness.

Scatter fresh oregano leaves over the top for brightness and a hint of herbaceous flavor.

Serve immediately while hot.