Ingredients
Scale
- 3–4 large sweet onions (Vidalia or Texas), thinly sliced (about 6 cups)
- 3 tbsp unsalted butter
- 1 (10.5 oz) can cream of mushroom soup (or cream of onion for extra depth)
- ½ cup sour cream
- 1 cup shredded sharp cheddar cheese
- 1½ cups crushed buttery round crackers (e.g., Ritz or saltines)
- 2 tbsp chopped fresh parsley (optional)
- Salt & black pepper to taste
Instructions
- Caramelize onions: Melt butter in a large skillet over medium-low heat. Add onions and cook 20–25 minutes, stirring occasionally, until deeply golden and sweet. Season lightly with salt and pepper.
- Prep oven: Preheat to 350°F (175°C). Grease a 9×13″ or 2-quart casserole dish.
- Make filling: In a bowl, combine caramelized onions, cream of mushroom soup, sour cream, and ½ cup cheddar. Mix gently.
- Assemble: Spread mixture into baking dish. Top with remaining ½ cup cheddar.
- Add topping: Sprinkle crushed crackers evenly over cheese.
- Bake 25–30 minutes, until bubbly and topping is golden brown.
- Garnish with parsley if desired. Rest 5 minutes before serving.
💡 Pro Tips:
– Don’t rush the onions—low and slow = maximum sweetness.
– For extra crunch, mix 1 tbsp melted butter into the cracker crumbs before topping.
– Make ahead: Assemble unbaked; refrigerate overnight. Add 5–10 min to bake time.
Prep Time & Nutrition (per serving, serves 8):
Prep Time: 15 min | Cook Time: 30 min | Total Time: 45 min
Servings: 8 | Calories: 210 | Net Carbs: 16g | Fats: 14g | Protein: 6g
Servings: 8 | Calories: 210 | Net Carbs: 16g | Fats: 14g | Protein: 6g