1. Shortcut Caramelized Onions (5 mins!)
Sauté 2 sliced onions in 2 tbsp butter + 1 tsp sugar over medium-low heat for 20 mins (or use 2 cups pre-caramelized onions).
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2. Assemble the Casserole
In a bowl, mix chicken, onions, soup, garlic powder, and thyme.
Toss biscuit pieces with melted butter, then fold into chicken mixture.
Pour into a greased 9x13-inch dish, top with cheeses.
3. Bake to Golden Perfection
375°F (190°C) for 25-30 mins until biscuits are cooked through.
Broil 2 mins for extra browning (optional).
4. Add the Crunchy Finish
Sprinkle with fried onions and parsley right before serving.
Pro Tips for the Best Bubble Up
🔥 Use rotisserie chicken – Saves time and adds flavor.
🔥 Don’t overmix – Gently fold biscuits to avoid doughy clumps.
🔥 Extra savory? Add ½ tsp Worcestershire sauce to the soup.
🔥 Make ahead – Assemble (unbaked), refrigerate, then bake +5 mins.
5 Delicious Variations
🍄 Mushroom Swiss – Swap onions for sautéed mushrooms + Swiss cheese.
🥓 Bacon & Cheddar – Add ½ cup crumbled bacon + sharp cheddar.
🌶 Spicy Southwest – Use pepper jack cheese + green chiles.
🍗 Turkey & Sage – Perfect for Thanksgiving leftovers!
🧀 Four-Cheese – Add Parmesan and fontina for extra richness.
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