Best Zucchini Gratin Casserole Recipes

ZUCCHINI GRATIN

Steps:

• Preheat the oven to 400 degrees F.
• Melt the butter in a very large (12-inch) saute pan and cook the onions over low heat for 20 minutes, or until tender but not browned. Add the zucchini and cook, covered, for 10 minutes, or until tender. Add the salt, pepper, and nutmeg and cook uncovered for 5 more minutes. Stir in the flour. Add the hot milk and cook over low heat for a few minutes, until it makes a sauce. Pour the mixture into an 8 by 10-inch baking dish.
• Combine the bread crumbs and Gruyere and sprinkle on top of the zucchini mixture. Dot with 1 tablespoon of butter cut into small bits and bake for 20 minutes, or until bubbly and browned.

YELLOW SQUASH AND ZUCCHINI GRATIN

Steps:

• Preheat oven to 450°. In a large skillet, melt butter over medium heat; add zucchini, yellow squash and shallots. Sprinkle with salt and pepper. Cook, stirring occasionally, 4-6 minutes or until vegetables are crisp-tender. Add garlic; cook 1 minute more., Add the cream; cook until thickened, 3-5 minutes. Remove from heat; stir in 1/2 cup bread crumbs and 1/4 cup cheese. Spoon mixture into a greased 11x7-in. or 2-qt. baking dish. Sprinkle with remaining bread crumbs and cheese. Bake until golden brown, 8-10 minutes.

NEELY'S ZUCCHINI GRATIN

Steps:

• Preheat your oven to 375 degrees F. Butter an 8 by 8-inch casserole dish.
• In a large heavy bottomed saute pan over medium heat, melt butter. Saute onion and garlic until translucent. Add zucchini and tomatoes, about 7 minutes Add thyme, and flour. Season with salt and pepper. Add mixture to the buttered casserole dish.
• In a medium size bowl, add brown sugar, eggs, and half-and-half. Season with salt and pepper. Pour the milk mixture over the zucchini and sprinkle with both of the cheeses. Bake for 30 minutes.

ZUCCHINI GRATIN

Steps:

• Preheat the oven to 400 degrees F.
• Melt the butter in a very large (12-inch) saute pan and cook the onions over low heat for 20 minutes, or until tender but not browned. Add the zucchini and cook, covered, for 10 minutes, or until tender. Add the salt, pepper, and nutmeg and cook uncovered for 5 more minutes. Stir in the flour. Add the hot milk and cook over low heat for a few minutes, until it makes a sauce. Pour the mixture into an 8 by 10-inch baking dish.
• Combine the bread crumbs and Gruyere and sprinkle on top of the zucchini mixture. Dot with 1 tablespoon of butter cut into small bits and bake for 20 minutes, or until bubbly and browned.

ZUCCHINI AND YELLOW SQUASH GRATIN

Steps:

• Preheat oven to 450. In a large skillet, melt butter over medium heat; add zucchini, yellow squash, shallots, and garlic. Season with salt and pepper. Cook, stirring occasionally, until zucchini and squash are crisp-tender, 4 to 6 minutes.
• Add cream, and cook until thickened, about 5 minutes. Remove skillet from heat; stir in 1/2 cup panko and 1/4 cup Parmesan.
• Spoon mixture into a shallow 2-quart baking dish. Sprinkle with remaining panko and Parmesan; season with salt and pepper. Bake until top is golden, 8 to 10 minutes.

CHEESY ZUCCHINI GRATIN

Steps:

• Preheat oven to 400 degrees F (200 degrees C).
• Mix Gruyere cheese and panko bread crumbs together in a bowl.
• Heat butter in a large skillet over medium heat until melted. Add zucchini, yellow squash, shallots, and garlic; cook and stir until softened, about 10 minutes. Stir in basil, rosemary, salt, and black pepper; cook until fragrant, about 1 minute.
• Mix flour into the skillet. Pour in cream in a steady stream and stir until thickened, 3 to 5 minutes. Mix in half the cheese mixture. Remove from heat.
• Pour zucchini mixture into a baking dish. Top with remaining cheese mixture.
• Bake in the preheated oven until bubbly and golden brown, about 20 minutes.