INGREDIENTS
- 3 large sweet Vidalia onions, peeled and thinly sliced
- 1/2 cup unsalted butter
- 1/2 cup sour cream
- 1/2 cup grated Mexican cheese blend
- 1/2 cup Parmesan cheese
- 1 cup Ritz crackers crushed (about 1 sleeve)
Instructions
- Preheat the oven to 350° F.
- Add butter to a large skillet over medium heat. When the butter has melted, add the onions.
- Reduce the heat to low and cook the onions for about 30 minutes, stirring occasionally.
- Place half of the onions in a small casserole dish, which has been greased or sprayed with non-stick cooking spray.
- Add half the sour cream and spread out evenly.
- Sprinkle half the Mexican grated cheese evenly over the top.
- Top with half of the Parmesan cheese and half of the Ritz cracker crumbs.
- Repeat the layers ending with a layer of Ritz cracker crumbs.
- Bake uncovered for 25 or 30 minutes or until the mixture is bubbly and the topping is golden brown.