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Creamy Ranch Onion Boil Casserole
Ingredients
- 3 large sweet onions, thinly sliced into uniform rings for even cooking
- 2 packages (8 oz each) cream cheese, softened to room temperature for smooth blending
- 1 cup whole milk, brought to room temperature for better incorporation
- 2 packets ranch seasoning mix, divided for layering and topping
- 2 cups shredded mozzarella cheese, divided for optimal melting throughout
- 1 cup sour cream at room temperature for extra creaminess
- 1/2 cup unsalted butter, melted and slightly cooled
- 1 cup crushed butter crackers for a crispy golden topping
- 1/4 cup fresh chives, finely chopped for garnish
- 2 teaspoons garlic powder for enhanced savory flavor
- 1 teaspoon black pepper, freshly ground for best taste
- 1/2 teaspoon sea salt, or to taste
Instructions
Preheat your oven to 375F and position the rack in the middle for optimal heat distribution
Generously grease a 9x13 inch casserole dish with butter, ensuring complete coverage
In a large skillet over medium heat, slowly caramelize the sliced onions in 1/4 cup butter until golden brown and tender, about 20 minutes
While onions are cooking, combine softened cream cheese, sour cream, milk, and one packet of ranch seasoning in a large bowl until smooth
Layer half the caramelized onions in the prepared baking dish, followed by half the cream cheese mixture and 1 cup of mozzarella
Repeat layers with remaining onions, cream cheese mixture, and mozzarella cheese
In a small bowl, mix crushed butter crackers with remaining melted butter and second packet of ranch seasoning
Sprinkle the cracker mixture evenly over the top of the casserole
Bake uncovered for 45-50 minutes until golden brown and bubbling around the edges
Let rest for 10 minutes before serving to allow the layers to set properly
Kitchen Tools
- 9x13 inch casserole dish for even baking and proper portion size
- Large skillet for caramelizing onions properly
- Mandoline slicer for uniform onion rings (optional but recommended)
- Mixing bowls of various sizes for combining ingredients
- Measuring cups and spoons for accurate portioning
- Rubber spatula for scraping bowls clean
- Sharp knife for chopping herbs and any manual onion slicing
Chef's Tips
Take time to properly caramelize the onions for the best flavor development - rushing this step will affect the final taste
Bring all dairy ingredients to room temperature before mixing to ensure smooth, even incorporation
Use a mandoline slicer for uniform onion rings that will cook evenly
If the top browns too quickly, tent with foil during the last portion of baking
🔧 Troubleshooting Tips
🔄 Recipe Variations
🥗 Healthy Alternatives
🍽️ Serving Suggestions
Serve alongside grilled chicken breast for a complete protein-rich meal
Pair with a fresh garden salad dressed with light vinaigrette to balance the richness
Offer crusty whole grain bread on the side to soak up the creamy sauce
Garnish with additional fresh chives and a sprinkle of paprika for color
Nutrition Facts
🥗 Suitable Diets
🎨 Presentation Ideas
📦 Storage & Conservation
♻️ Leftover Ideas
⚠️ Common Mistakes to Avoid
FAQ
Yes, you can assemble the casserole up to 24 hours in advance and refrigerate before baking
Ensure onions are properly caramelized and excess moisture has evaporated before assembling
Yes, but dairy may separate slightly upon thawing - stir well when reheating
You can make your own blend with dried herbs, garlic powder, and onion powder