Spicy Rosemary Chicken Sausage & Seasonal Vegetables

By AislePrompt Editorial · Published 2026-04-05 · Updated 2026-04-05

Fire-kissed chicken sausage paired with zucchini, bell peppers, and onions, all roasted with rosemary and red pepper flakes for a vibrant, aromatic sheet pan dinner. This American-inspired sheet-pan recipe (whole30), ready in about 37 minutes, pairs chicken sausage, olive oil, fresh rosemary for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 380 calories and feeds 4, so it slots cleanly into a Whole30 week and pairs well with roasted sweet potato or a simple olive-oil salad. 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

• 12 oz (4 links, 3 oz each) chicken sausage
• 2 tbsp olive oil
• 1 tbsp, finely chopped fresh rosemary
• 1/2 tsp red pepper flakes
• 1 medium, sliced into 1/2-inch half-moons zucchini
• 1, seeded and cut into 1-inch pieces yellow bell peppers
• 1/2 cup, sliced into thin half-moons red onions
• 2 cloves, minced garlic
• 1/2 tsp sea salt
• 1/4 tsp black pepper

The sheet pan we’d roast this on → Best Sheet Pans in 2026: Top Picks + Buying Guide

Instructions

1. Step 1: Preheat oven to 400°F (200°C). Cut chicken sausage into 1-inch pieces and place on a sheet pan.
2. Step 2: Whisk together 2 tbsp olive oil, 1 tbsp chopped rosemary, 1/2 tsp red pepper flakes, 2 minced garlic cloves, 1/2 tsp sea salt, and 1/4 tsp black pepper in a small bowl.
3. Step 3: Drizzle spice blend over chicken sausage, toss to coat, and spread in a single layer.
4. Step 4: Add zucchini, bell peppers, and red onions to sheet pan, drizzle with remaining spice blend, and toss until evenly coated.
5. Step 5: Roast for 20-25 minutes, stirring halfway through, until chicken is cooked through and vegetables are tender with slightly charred edges.