Preheat your oven to 450°F. While it heats, wash and scrub the rainbow carrots thoroughly under cold water to remove any dirt, then pat them completely dry—this is crucial for achieving a good caramelized crust. Halve the carrots lengthwise, keeping larger ones intact so they cook evenly. Crush the 2 garlic cloves lightly for the glaze, and mince the remaining garlic clove separately for the gremolata. Have all other ingredients measured and ready before you begin cooking.
In a large bowl, toss the prepared carrots with 1 tablespoon of neutral oil, salt, and black pepper until evenly coated. Spread them cut-side down on a baking sheet in a single layer—the cut side touching the hot pan is essential for browning and caramelization. Roast for 10-15 minutes until the cut sides turn golden brown and develop crispy, caramelized edges. This initial roast builds deep flavor before the glaze is applied.
While the carrots roast, combine butter, honey, the crushed garlic cloves from Step 1, bay leaves, and 1/2 teaspoon lemon juice in a small saucepan over medium heat. Let this simmer for about 5 minutes, stirring occasionally, until the mixture becomes slightly thickened and the flavors meld together. I like to let the honey and butter emulsify gently—this creates a silky coating rather than a thin liquid that will slide right off the carrots.
Remove the carrots from the oven and reduce the oven temperature to 350°F. Pour the warm glaze from Step 3 over the roasted carrots and toss gently to coat them evenly, making sure the cut sides soak up as much glaze as possible. Return the baking sheet to the oven and roast for another 5-10 minutes, stirring once halfway through. The lower temperature allows the honey to caramelize without burning while the carrots become tender throughout.
While the carrots finish roasting, make the gremolata by combining the minced garlic clove, roughly chopped almonds, and carrot greens (or parsley if preferred) in a small bowl. Drizzle with 1/2 tablespoon of neutral oil and 1 teaspoon of fresh lemon juice, then taste and adjust the salt if needed. The gremolata adds brightness and textural contrast—I prefer using carrot greens for an authentic touch that ties the dish together, but any fresh herb works beautifully.
Remove the glazed carrots from the oven and transfer them to a serving dish, pouring any pan juices over the top. Generously top with the gremolata from Step 5, distributing it evenly so each bite gets some of the fresh, crunchy topping. Serve immediately while the carrots are still warm and the glaze is glossy—the contrast between the warm, soft carrots and the cool, bright gremolata is what makes this dish sing.