Monthly Roasted Vegetable Medley with Herb-Infused Olive Oil

By AislePrompt Editorial · Published 2026-04-27 · Updated 2026-04-27

A colorful medley of seasonal vegetables roasted to caramelized perfection, drizzled with herb-infused olive oil that celebrates monthly freshness. This Mediterranean-inspired meal-prep recipe, ready in about 45 minutes, pairs zucchini, red bell pepper, red onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 160 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. 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.

Ingredients

• 1 medium, cut into 1-inch chunks zucchini
• 1 large, cut into 1-inch pieces red bell pepper
• 1 medium, cut into wedges red onion
• 3 medium, sliced diagonally 1/2-inch thick carrots
• 4 tbsp olive oil
• 1 tbsp chopped fresh oregano
• 1 tbsp chopped fresh basil
• 1 1/2 tsp salt
• 3/4 tsp black pepper
• 1 tbsp balsamic vinegar

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Instructions

1. Step 1: Preheat oven to 425°F (220°C). In a large bowl, combine 1 medium zucchini cut into 1-inch chunks, 1 large red bell pepper cut into 1-inch pieces, 1 medium red onion cut into wedges, and 3 medium carrots sliced diagonally 1/2-inch thick.
2. Step 2: In a small bowl, whisk together 4 tbsp olive oil, 1 tbsp chopped fresh oregano, 1 tbsp chopped fresh basil, 1 1/2 tsp salt, and 3/4 tsp black pepper.
3. Step 3: Pour the herb-infused olive oil over the vegetables and toss well to coat evenly, then spread the vegetables in a single layer on a large rimmed baking sheet.
4. Step 4: Roast for 25-30 minutes, stirring halfway through, until vegetables are tender and edges are caramelized.
5. Step 5: Remove from oven and drizzle with 1 tbsp balsamic vinegar, tossing gently before serving warm as a vibrant side dish.