Baked Cheddar Potato Casserole with Green Onion Topping
Creamy mashed potatoes baked with sharp cheddar and fresh green onions for a simple, crowd-pleasing side dish. This American-inspired vegetarian recipe, ready in about 40 minutes, pairs potatoes, butter, milk for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 280 calories and feeds 6, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 4 large, peeled and diced into 1/2-inch cubes potatoes
- 2 tbsp butter
- 1/4 cup milk
- 1 cup, shredded cheddar cheese
- 1/4 cup, thinly sliced green onions
- 1/2 tsp salt
- 1/4 tsp black pepper
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Equipment for this recipe
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Instructions
- Step 1: Preheat oven to 375°F.
- Step 2: Place 4 large peeled and diced potatoes (1/2-inch cubes) in a pot, cover with cold water, and bring to a boil. Cook for 15 minutes until fork-tender.
- Step 3: Drain potatoes and return to pot. Add 2 tbsp butter, 1/4 cup milk, 1/2 tsp salt, and 1/4 tsp black pepper. Mash until smooth and creamy.
- Step 4: Stir in 1 cup shredded cheddar cheese until melted and fully incorporated.
- Step 5: Transfer to a greased baking dish and sprinkle 1/4 cup thinly sliced green onions over the top.
- Step 6: Bake for 20 minutes until golden and bubbly around the edges.
