Sheet Pan Herb-Roasted Vegetables with Lemon Garlic Dressing

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

An assortment of colorful vegetables roasted on a sheet pan with fresh herbs, finished with a bright lemon garlic dressing for a vibrant Whole30 side. This vegetarian (whole30, vegan) ready in about 45 minutes blends medium, cut into wedges red onion, olive oil, fresh thyme leaves into a versatile sauce that lifts everything from grain bowls and roasted vegetables to grilled proteins — a small-batch staple worth keeping in the fridge. Each serving lands at about 150 calories and feeds 4, so a small batch covers several meals across the week without taking over the fridge. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 15 min Cook: 30 min Serves 4 150 cal/serving
Build a week of meals around this recipe → Shop this recipe on Instacart → Shop equipment ↓

Ingredients

Equipment for this recipe

Top-rated tools to make this recipe successfully.

More Knives & cutting boards → Shop all kitchen tools →

Instructions

  1. Step 1: Preheat oven to 425°F. On a large sheet pan, toss 2 sliced medium zucchinis, 1 large chopped red bell pepper, 2 sliced medium yellow squashes, and 1 medium cut red onion with 3 tbsp olive oil, 1 tbsp fresh thyme leaves, 1 tbsp chopped fresh rosemary, 1 tsp sea salt, and 1/2 tsp black pepper until evenly coated.
  2. Step 2: Spread vegetables in a single layer and roast for 25-30 minutes, stirring halfway through, until tender and slightly caramelized at the edges.
  3. Step 3: While vegetables roast, whisk together 3 minced garlic cloves and 2 tbsp fresh lemon juice in a small bowl.
  4. Step 4: Remove roasted vegetables from oven and immediately drizzle with the lemon garlic dressing, tossing gently to coat before serving warm.

Frequently asked questions

How long does Sheet Pan Herb-Roasted Vegetables with Lemon Garlic Dressing take to make?

Total time is about 45 minutes (15 min prep + 30 min cook). A small batch typically covers several meals in the week — store as the recipe directs.

How do I store leftover Sheet Pan Herb-Roasted Vegetables with Lemon Garlic Dressing?

Transfer to an airtight jar and refrigerate for up to 5–7 days. Most sauces freeze well for up to 2 months — portion into small containers or freezer bags so you can thaw only what you need. Stir before serving; cream- or yogurt-based sauces may separate on standing.

Can I substitute ingredients in Sheet Pan Herb-Roasted Vegetables with Lemon Garlic Dressing?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Sheet Pan Herb-Roasted Vegetables with Lemon Garlic Dressing for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Sheet Pan Herb-Roasted Vegetables with Lemon Garlic Dressing whole30?

Yes — this recipe is tagged whole30, vegan, gluten-free, paleo based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.