Hearty Harvest Chicken Casserole: A Fall-Inspired Comfort Dish with Sweet Potatoes & Brussels Sprouts

Easy Harvest Chicken Casserole with Sweet Potatoes and Brussels Sprouts

Introduction

Few things bring the spirit of fall to your dinner table quite like a comforting casserole. This Easy Harvest Chicken Casserole with Sweet Potatoes and Brussels Sprouts is packed with seasonal ingredients, vibrant colors, and rich flavors. Perfect for busy weeknights and meal prep, this casserole combines juicy chicken, tender-crisp vegetables, and aromatic herbs for a meal that’s nourishing, filling, and crowd-pleasing.

Harvest Flavors in Every Bite

What sets this casserole apart is its combination of savory chicken, sweet potatoes’ natural sweetness, and the earthy depth of roasted Brussels sprouts. Each bite delivers a comforting blend of seasonal flavors, enhanced by herbs and finished with a crisp topping. It’s hearty, wholesome, and great for pleasing a variety of palates, making it perfect for family dinners and gatherings alike.

Simple Prep, Flavorful Results

This dish is as easy to prepare as it is rewarding to eat. Start by seasoning your chicken and chopping your vegetables. While the sweet potatoes soften and the Brussels sprouts caramelize in the oven, their flavors mingle with the lightly herbed chicken, creating a mouthwatering aroma that signals dinner is almost ready. A simple breadcrumb or cheese topping adds just the right amount of crunch.

How to Assemble the Best Chicken Casserole

Layer your casserole dish starting with the seasoned vegetables, followed by the chicken. Drizzle with olive oil and sprinkle on your favorite herbs—rosemary, thyme, or sage all pair beautifully. For an extra touch, add a sprinkle of cheese or finish with crunchy breadcrumbs before baking for a golden, bubbly finish.

Serving Suggestions for a Cozy Harvest Dinner

Serve this casserole straight from the oven for a warm, filling meal. Pair it with a leafy green salad or hearty whole-grain bread to complete the feast. The leftovers also reheat wonderfully, making it an ideal option for meal prep or next-day lunches.

Nutritional Information and Serving Size

This recipe serves about 6 and provides a well-rounded meal with protein, fiber, and complex carbs. With lean chicken breast, vitamin-rich sweet potatoes, and nutrient-dense Brussels sprouts, it’s as nutritious as it is flavorful, making it a balanced and satisfying dinner anytime.

Ingredients

1.5 lbs boneless, skinless chicken breasts or thighs, cut into 1-inch pieces
2 medium sweet potatoes, peeled and diced
1 lb Brussels sprouts, trimmed and halved
1 large onion, diced
3 cloves garlic, minced
2 tbsp olive oil
1 tsp dried thyme
1 tsp dried rosemary
1 tsp paprika
Salt and pepper to taste
1/2 cup chicken broth
1/2 cup shredded mozzarella or cheddar cheese (optional)
1/2 cup seasoned breadcrumbs (optional)
Fresh parsley for garnish

💡Meal Planning Tip: Save this recipe to automatically generate an organized shopping list with all ingredients sorted by store section—perfect for efficient grocery trips and stress-free meal planning.

CookifyAI meal planning interface

Instructions

  1. Preheat your oven to 400°F (200°C). Lightly grease a 9×13-inch casserole dish.
  2. In a large mixing bowl, combine diced sweet potatoes, Brussels sprouts, onion, and garlic. Add 1 tablespoon olive oil, half the thyme, and rosemary. Toss to coat and spread the vegetables in the bottom of the prepared casserole dish.
  3. In the same bowl, toss the chicken pieces with remaining olive oil, paprika, salt, pepper, and remaining herbs. Arrange the chicken over the vegetables.
  4. Pour the chicken broth evenly over the casserole. Sprinkle cheese and breadcrumbs on top, if using.
  5. Bake uncovered for 35–40 minutes, or until the chicken is cooked through and vegetables are tender. If desired, broil for 2–3 minutes to crisp up the topping.
  6. Remove from oven and let rest for a few minutes. Garnish with fresh parsley before serving.

Weekly Meal Planning

This Easy Harvest Chicken Casserole is ideal for planning ahead! Save and schedule this recipe for your week to effortlessly manage meal prep and shopping.

Planning Benefits:

  • Automatically totals ingredient amounts for your weekly recipes
  • Organizes your shopping list by store section for quick navigation
  • Eliminates duplicate purchases and reduces food waste
  • Makes planning and prepping healthy dinners efficient and stress free

Pro Tip: When you add this casserole to your weekly plan with CookifyAI, it will cross-reference ingredients with other planned meals—for example, it’ll total your olive oil needs and prevent overbuying. Try scheduling now for optimized meal prep!

Cook and Prep Times

Prep Time: 15 minutes
Cook Time: 40 minutes
Total Time: 55 minutes

Harvest Chicken Casserole (Recap)

If you’re searching for a recipe that is easy, nutritious, and bursting with fall flavors, this Easy Harvest Chicken Casserole with Sweet Potatoes and Brussels Sprouts is your answer. Perfect for busy weeknights or meal prep, it’s wholesome, delicious, and sure to become a family favorite.

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