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Slow Cooker Potato and Onion Bake

Few dishes are as comforting and satisfying as a warm potato bake. The combination of tender potatoes, sweet onions, creamy sauce, and melted cheese creates a meal that feels homemade, hearty, and perfect for any season. Using a slow cooker makes this recipe even easier because the ingredients slowly cook together over several hours, allowing the flavors to blend beautifully while freeing you from standing over the stove.

This Slow Cooker Potato and Onion Bake is ideal as a side dish for roasted meats, grilled chicken, or even as a simple vegetarian dinner served with a fresh salad. The slow cooking process gives the potatoes a soft, buttery texture while the onions become rich and slightly caramelized.

Why You Will Love This Recipe

Simple ingredients that are easy to find
Minimal preparation work
Rich, creamy, and comforting flavor
Perfect for family dinners or holiday meals
Easy to customize with herbs, cheese, or bacon

Ingredients

To make this delicious potato and onion bake, you will need:

6 large potatoes
2 large onions
2 cups shredded cheddar cheese
1 cup heavy cream
1 cup milk
3 tablespoons butter
2 cloves garlic, minced
1 teaspoon salt
1/2 teaspoon black pepper
1 teaspoon dried thyme or parsley
Non-stick cooking spray or extra butter for greasing

Step 1: Prepare the Potatoes

Start by washing the potatoes thoroughly. Peel them if you prefer a smoother texture, although leaving the skins on can add extra flavor and texture. Slice the potatoes into thin, even rounds. Thin slices help the potatoes cook evenly and absorb the creamy sauce better.

Place the sliced potatoes in a bowl of cold water for a few minutes to remove excess starch. Afterward, drain and pat them dry with paper towels.

Step 2: Slice the Onions

Peel the onions and slice them thinly. Thin onion slices cook slowly and become sweet and tender during the long cooking process. If you enjoy a stronger onion flavor, you can use extra onions for additional richness.