If you’re looking for a warm, cheesy, flavor-packed dinner that’s ready in under an hour with minimal effort — look no further. This French Onion Chicken Bubble Up is the ultimate comfort food mashup: tender chicken, savory French onion soup flavors, melty Swiss cheese, and golden, flaky biscuit topping all baked into one irresistible casserole.
Inspired by the classic taste of French onion soup and the convenience of canned biscuits, this dish is a weeknight hero. Thanks to its simple ingredients and foolproof assembly, it’s perfect for busy families, beginner cooks, or anyone craving something hearty without the hassle.
Just pop it in the oven, let it bubble up into golden perfection, and get ready for seconds!
Ingredients
2 tablespoons butter
1 small onion , thinly sliced
2 cloves garlic , minced
1 lb boneless, skinless chicken breasts , cut into 1-inch cubes
1 (10.5 oz) can condensed French onion soup (not diluted)
½ cup sour cream
1 cup cooked mushrooms (optional, but recommended for extra depth)
1 cup shredded Swiss cheese (or Gruyère for a gourmet twist)
1 (16.3 oz) can refrigerated jumbo biscuits (8-count, such as Pillsbury Grands!)
½ cup grated Parmesan cheese
1 teaspoon dried thyme
Salt and pepper , to taste
Fresh parsley , chopped (for garnish)
Instructions
Step 1: Preheat & Prep
Preheat your oven to 375°F (190°C) .
Lightly grease a 9×13-inch baking dish with non-stick spray or butter.
Step 2: Sauté the Aromatics
In a large skillet over medium heat, melt the butter .
Add the sliced onion and cook for 4–5 minutes , until softened and starting to caramelize.
Stir in the garlic and cook for 30 seconds until fragrant.
Add the chicken cubes , season with salt and pepper, and cook for 5–6 minutes , stirring occasionally, until chicken is lightly browned and mostly cooked through.
🔪 Pro Tip: Cutting chicken into uniform pieces ensures even cooking.
