Name: Spring Vegetable Casserole
Ingredients: Asparagus: 1 pound, trimmed and cut into 1-inch pieces, providing a slightly grassy and tender bite.; Peas: 1 cup, fresh or frozen (thawed), adding a touch of sweetness and vibrant green color.; Carrots: 2 medium, peeled and sliced into rounds, contributing sweetness and a satisfying crunch.; New Potatoes: 1 pound, quartered or halved if small, offering a creamy texture and earthy flavor.; Leeks: 2 medium, white and light green parts only, thinly sliced and thoroughly washed, imparting a mild oniony sweetness.; Spinach: 5 ounces, fresh, roughly chopped, wilting beautifully into the casserole and adding a boost of nutrients.; Gruyère Cheese: 1 ½ cups, shredded, providing a nutty, slightly sharp, and wonderfully meltable cheese flavor.; Parmesan Cheese: ½ cup, grated, adding a salty, savory, and umami-rich depth to the dish.; Heavy Cream: 1 cup, for a rich and luxurious creamy sauce.; Whole Milk: 1 cup, balancing the richness of the cream and creating the perfect sauce consistency.; All-Purpose Flour: 2 tablespoons, for thickening the creamy sauce.; Butter: 2 tablespoons, unsalted, adding richness and flavor to the sauce.; Olive Oil: 2 tablespoons, for sautéing the vegetables and adding healthy fats.; Garlic: 2 cloves, minced, infusing the casserole with aromatic and savory notes.; Fresh Thyme: 1 tablespoon, chopped, lending a delicate and earthy herbaceousness.; Fresh Rosemary: 1 teaspoon, chopped, providing a piney and aromatic counterpoint to the thyme.; Fresh Parsley: ¼ cup, chopped, adding a bright, fresh, and herbaceous finish.; Salt: To taste, enhancing all the flavors of the vegetables and sauce.; Black Pepper: Freshly ground, to taste, adding a touch of spice and depth.; Nutmeg: Pinch, freshly grated, for a warm and subtle spice note that complements creamy dishes.; Breadcrumbs (Optional): ½ cup, panko or regular, for a crispy topping (optional for texture).

Ingredients

Asparagus: 1 pound, trimmed and cut into 1-inch pieces, providing a slightly grassy and tender bite.
Peas: 1 cup, fresh or frozen (thawed), adding a touch of sweetness and vibrant green color.
Carrots: 2 medium, peeled and sliced into rounds, contributing sweetness and a satisfying crunch.
New Potatoes: 1 pound, quartered or halved if small, offering a creamy texture and earthy flavor.
Leeks: 2 medium, white and light green parts only, thinly sliced and thoroughly washed, imparting a mild oniony sweetness.
Spinach: 5 ounces, fresh, roughly chopped, wilting beautifully into the casserole and adding a boost of nutrients.
Gruyère Cheese: 1 ½ cups, shredded, providing a nutty, slightly sharp, and wonderfully meltable cheese flavor.
Parmesan Cheese: ½ cup, grated, adding a salty, savory, and umami-rich depth to the dish.
Heavy Cream: 1 cup, for a rich and luxurious creamy sauce.
Whole Milk: 1 cup, balancing the richness of the cream and creating the perfect sauce consistency.
All-Purpose Flour: 2 tablespoons, for thickening the creamy sauce.
Butter: 2 tablespoons, unsalted, adding richness and flavor to the sauce.
Olive Oil: 2 tablespoons, for sautéing the vegetables and adding healthy fats.
Garlic: 2 cloves, minced, infusing the casserole with aromatic and savory notes.
Fresh Thyme: 1 tablespoon, chopped, lending a delicate and earthy herbaceousness.
Fresh Rosemary: 1 teaspoon, chopped, providing a piney and aromatic counterpoint to the thyme.
Fresh Parsley: ¼ cup, chopped, adding a bright, fresh, and herbaceous finish.
Salt: To taste, enhancing all the flavors of the vegetables and sauce.
Black Pepper: Freshly ground, to taste, adding a touch of spice and depth.
Nutmeg: Pinch, freshly grated, for a warm and subtle spice note that complements creamy dishes.
Breadcrumbs (Optional): ½ cup, panko or regular, for a crispy topping (optional for texture).

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Instructions

Preheat and Prepare: Preheat your oven to 375°F (190°C). Lightly grease a 9×13 inch baking dish.
Sauté Aromatics and Hearty Vegetables: Heat olive oil in a large skillet over medium heat. Add leeks and carrots and sauté for 5-7 minutes, until softened but not browned. Add minced garlic and cook for another minute until fragrant.
Cook Potatoes: Add quartered new potatoes to the skillet and cook for 5 minutes, stirring occasionally. This will partially cook them and ensure they are tender in the casserole.
Blanch Asparagus and Peas (Optional but Recommended): While the potatoes are cooking, bring a pot of salted water to a boil. Blanch asparagus for 2-3 minutes until bright green and slightly tender-crisp. Immediately plunge into ice water to stop cooking and maintain color. Blanch peas for 1 minute, then drain and set aside. This step helps retain the vibrant color and texture of these delicate vegetables. If using frozen peas, thaw them and skip blanching.
Prepare the Cream Sauce: In a separate saucepan, melt butter over medium heat. Whisk in flour and cook for 1 minute, stirring constantly, to create a roux. Gradually whisk in milk and heavy cream, ensuring no lumps form. Cook, stirring continuously, until the sauce thickens slightly and coats the back of a spoon, about 5-7 minutes.
Infuse with Flavor: Remove the sauce from the heat. Stir in chopped thyme, rosemary, nutmeg, salt, and pepper to taste.
Combine Vegetables and Sauce: In a large bowl, combine sautéed leeks, carrots, and potatoes with blanched asparagus and peas. Gently toss in fresh spinach until it starts to wilt slightly. Pour the creamy sauce over the vegetables and toss to coat everything evenly.
Assemble the Casserole: Transfer the vegetable and sauce mixture into the prepared baking dish. Spread it out in an even layer.
Cheese Layer: Sprinkle shredded Gruyère cheese evenly over the top of the casserole. Then, sprinkle grated Parmesan cheese over the Gruyère.
Breadcrumb Topping (Optional): If using breadcrumbs, sprinkle them evenly over the cheese layer for a crispy topping.
Bake to Golden Perfection: Bake in the preheated oven for 25-30 minutes, or until the casserole is bubbly, the cheese is melted and golden brown, and the vegetables are tender.
Rest and Serve: Let the casserole rest for 5-10 minutes before serving. This allows the sauce to thicken slightly and the flavors to meld together beautifully. Garnish with fresh parsley before serving.

Nutrition

Serving Size: one normal portion
Calories: 550
Fat: 35g