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Effortless One-Pan Easy Baked Chicken and Zucchini

A quick and easy one-pan meal featuring tender chicken, perfectly cooked zucchini, and savory onions all seasoned with a warm blend of spices. Perfect for busy weeknights, offering a wholesome, flavorful dinner with minimal fuss.
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Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings: 4 servings
Course: Dinner, Main Course, Weeknight Dinner
Cuisine: American
Ingredients Equipment Method Notes

Ingredients
  

  • 1 pound boneless, skinless chicken breast cut into bite-size pieces
  • 1 medium onion chopped into large, hearty pieces
  • 1 zucchini sliced vertically into four large pieces, then chopped into smaller, half-moon or quarter-moon shapes
  • 2 tbsp extra virgin olive oil
  • 1 tsp garlic powder
  • 1 tsp smoked paprika
  • 1 tsp dried oregano
  • 1 tsp cumin
  • 1 tsp sea salt or salt to taste
  • 1/4 tsp freshly milled black pepper or pepper to taste

Equipment

  • Large bowl
  • Baking dish

Method
 

  1. Step 1: Preheat your oven to 425°F (220°C).
  2. Step 2: In a large bowl, combine garlic powder, smoked paprika, dried oregano, cumin, sea salt, and black pepper. Stir them, then pour in the extra virgin olive oil and mix until you have a fragrant, thick, seasoned marinade.
  3. Step 3: Add the bite-sized chicken pieces, chopped onion, and zucchini slices to the bowl with the marinade. Toss everything until fully coated. For best flavor, let it marinate for at least 15 minutes, or up to 24 hours in the refrigerator if planning ahead.
  4. Step 4: Transfer the coated chicken and vegetables to a single baking dish. Spread everything out in an even layer to ensure uniform cooking; use two dishes if necessary to avoid overcrowding. Bake uncovered at 425°F for 30 minutes, or until the chicken is cooked through and the zucchini and onions are tender and lightly golden.

Notes

This recipe is super forgiving and adaptable! Feel free to swap out or add other quick-cooking vegetables like bell peppers (any color!), cherry tomatoes, asparagus, or even diced yellow squash. For a protein swap, this marinade would be fantastic on pork tenderloin, turkey breast, or firm tofu. For a touch of heat, add a pinch of red pepper flakes to your spice mix. If you have fresh parsley, cilantro, or oregano on hand, chop some up and sprinkle it over the dish after baking for a burst of fresh flavor. A sprinkle of shredded Parmesan cheese or crumbled feta in the last 5-10 minutes of baking adds a lovely salty, savory touch.
Tips for Success: Don't overcrowd the pan; if you pile too many ingredients, they'll steam instead of roast. Use two dishes if necessary. Try to cut your chicken and veggies into roughly similar-sized pieces for even cooking. While you can make this without marinating, even 15 minutes makes a difference; if you have the time, let those flavors soak in! You can chop all your veggies and chicken ahead of time, store them in separate containers, and then combine them with the marinade just before you're ready to cook, or marinate everything up to 24 hours in advance.
Storage & Reheating: Store any cooled leftovers in an airtight container in the refrigerator for up to 3-4 days. You can reheat individual portions in the microwave until warmed through. For best results, reheat in a skillet over medium heat or in a preheated oven at 350°F (175°C) until hot, which helps prevent the chicken from drying out.
FAQ: Chicken thighs can be used instead of breasts; they are more forgiving and stay juicier. The cooking time might need to be adjusted slightly, perhaps an extra 5-10 minutes, until they reach an internal temperature of 165°F (74°C). You can experiment with different spices like Italian seasoning, chili powder, onion powder, or a pre-made chicken seasoning blend. This dish is a complete meal on its own, but it pairs wonderfully with a side of fluffy rice, quinoa, couscous, or a simple green salad for extra freshness.