Tender, juicy chicken in a savory stovetop tomato sauce, finished with a crisp, cheesy breadcrumb topping—this Weeknight Chicken Parmesan Casserole is a comforting, healthy dinner that’s simple enough for any busy evening.
Weeknight Chicken Parmesan Casserole – Dinner Solved
When family dinnertime loomed, “I’ve gotta go do something to a chicken” became our shorthand for whipping up a quick, satisfying meal. This casserole captures that spirit: familiar chicken Parmesan flavors with far less fuss.
Rather than frying individual cutlets, this version layers seasoned chicken in a robust tomato sauce, tops it with a crunchy cheese-breadcrumb mixture, and bakes everything together. The result retains the classic Italian-inspired taste while saving time and reducing oil.
This casserole is a reliable weeknight solution that’s hearty, flavorful, and easy to prepare—perfect for busy families or casual company.
Simple Ingredients, Big Flavor
The dish starts with a straightforward stovetop tomato sauce. Onions, bell pepper, and garlic are sautéed in olive oil until the onions begin to caramelize—this step develops sweetness and depth, so take your time. Add plain canned tomato sauce and diced tomatoes; no specialty brands are needed. Season the sauce with fresh basil, dried oregano, red pepper flakes, salt, and pepper, then simmer briefly to meld the flavors.
Pour the finished sauce into an ovenproof casserole or baking pan and nestle the seasoned chicken pieces into it so they remain moist while baking. While classic chicken Parmesan often uses breaded, pan-fried breasts, this casserole works beautifully with skinless, boneless chicken thighs for richer flavor and tenderness. Chicken breasts can be used if preferred.
The topping is a simple mix of panko breadcrumbs, grated Parmesan, chopped herbs, dried oregano, and a drizzle of olive oil. Panko yields a lighter, crispier crust than regular breadcrumbs and pairs beautifully with the cheese and herbs to form a golden, crunchy finish in the oven.
What to Serve With It
With vegetables in the sauce, protein from the chicken, and a satisfying breadcrumb-cheese topping, this casserole can stand alone as a one-dish meal. It’s also excellent spooned over spaghetti, rice, or any pasta. A crisp green salad dressed with a simple Italian or balsamic vinaigrette, and perhaps garlic bread, round out the meal nicely.
This recipe is great for weeknights but elegant enough for guests when paired with pasta, salad, and a light dessert like vanilla ice cream with fresh berries or a scoop of spumoni to continue the Italian theme.
Whether it’s a busy Monday or a dinner with friends, Weeknight Chicken Parmesan Casserole is an easy crowd-pleaser—give it a try soon.
Weeknight Chicken Parmesan Casserole
- Author: Marie Bostwick
- Yield: 4–6 servings 1x
Ingredients
Scale
- 3 T olive oil, divided
- 1 large bell pepper (any color), medium-diced
- ½ large yellow onion, diced
- 2 large garlic cloves, minced
- 1 15 oz can plain tomato sauce
- 1 14.5 oz can diced tomatoes
- 1/2 cup (loosely packed) chopped basil, chopped and divided
- ¼ tsp red pepper flakes
- 1 tsp dried oregano, divided
- 1.5 lbs chicken thighs
- 1 cup panko bread crumbs
- 1 cup shredded parmesan cheese
- Kosher salt
- Fresh Ground pepper
Instructions
- Preheat oven to 350°F (175°C). Lightly season chicken thighs with kosher salt and freshly ground pepper; set aside.
- Heat 2 tablespoons olive oil in a skillet over medium-high heat. Cook the diced onion about 5 minutes until it starts to turn golden. Add the diced bell pepper and cook 3 more minutes, then add minced garlic and cook 1 minute more.
- Stir in the tomato sauce, diced tomatoes, ¼ cup of chopped basil, ¾ teaspoon oregano, and red pepper flakes. Reduce heat and simmer the sauce for 10 minutes. Taste and adjust salt and pepper as needed.
- In a medium bowl, combine panko breadcrumbs, grated Parmesan, ¼ teaspoon oregano, and 3 tablespoons chopped basil (reserve 1 tablespoon for garnish). Drizzle in 1 tablespoon olive oil while stirring to coat the crumbs lightly.
- Transfer the sauce to a large ovenproof casserole or baking pan. Nestle the seasoned chicken thighs into the sauce, spaced evenly. Spoon generous portions of the breadcrumb mixture over each piece of chicken.
- Bake in the preheated oven for 45 minutes, until the chicken is cooked through and the topping is golden. Remove from the oven, sprinkle the remaining tablespoon of basil over the casserole, and serve.
