Potato Spinach Casserole is a comforting, layered bake that combines tender potatoes, vibrant sautéed vegetables, and a creamy, seasoned sauce, all bound together with gooey cheese. This dish marries the earthy sweetness of onions, carrots, and red bell peppers with the nourishing green of spinach, while a velvety béchamel enriches every bite. Perfect for family dinners, potlucks, or as a make-ahead vegetarian main, this casserole strikes a balance between hearty and wholesome. Its golden top and fragrant layers promise both visual appeal and deeply satisfying flavors.
Cooking Time
Preparation: 20 minutes
Sautéing & Assembly: 25 minutes
Baking: 40 minutes
Total: 1 hour 25 minutes
Ingredients
3 medium potatoes (about 18 oz/500 g), peeled and diced
1 medium onion, finely chopped
2 Tbsp olive oil, divided
2 cloves garlic, minced
1 medium carrot, diced
1 red bell pepper, diced
5 oz (150 g) fresh spinach, washed and roughly chopped
Salt, to taste
Freshly ground black pepper, to taste
1 tsp mixed spice blend (e.g., Italian seasoning or herbes de Provence)
2 Tbsp butter, divided
2 Tbsp all-purpose flour
1 cup (240 ml) milk, warmed
Pinch of freshly grated nutmeg
150 g (about 1½ cups) shredded cheese (Gruyère, cheddar, or mozzarella)
Step-by-Step Cooking Directions
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