Here’s a comforting Sweet Onion Casserole recipe—creamy, savory, and slightly sweet, perfect as a side dish for dinner:
🧅 Sweet Onion Casserole
🧾 Ingredients (Serves 4–6)
- 4 large sweet onions, thinly sliced
- 2 tbsp butter
- 1 cup sour cream or Greek yogurt
- 1 cup shredded cheddar or Swiss cheese
- ½ cup breadcrumbs or crushed crackers
- 1 tsp garlic powder
- ½ tsp salt
- ½ tsp black pepper
- 1 tsp sugar (optional, enhances sweetness)
- 2 tbsp olive oil
👩🍳 Instructions
1. Preheat oven
- Preheat to 180°C (350°F)
- Grease a 9×9-inch (23×23 cm) baking dish
2. Cook the onions
- Heat olive oil and butter in a skillet over medium heat
- Sauté sliced onions for 10–15 minutes until soft and lightly caramelized
- Optional: sprinkle sugar while cooking to enhance sweetness
3. Prepare the casserole mixture
- In a bowl, combine sautéed onions, sour cream, ½ cup cheese, garlic powder, salt, and pepper
4. Assemble the casserole
- Spread onion mixture evenly in the prepared baking dish
- Sprinkle remaining ½ cup cheese on top
- Top with breadcrumbs or crushed crackers for a crunchy layer
5. Bake
- Bake for 20–25 minutes until top is golden and bubbly
6. Serve
- Let cool slightly before serving
- Works as a side with roasted meats, chicken, or holiday meals
💡 Tips
- For extra flavor, add chopped fresh thyme or rosemary to onions
- Swap cheddar for Gruyère for a nuttier taste
- Make ahead: assemble the casserole and refrigerate up to 24 hours before baking
If you want, I can give you a faster 15-minute version with caramelized onions in the microwave and ready in under half an hour.
Do you want me to do that?
