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Zucchini Gratin: A Perfect Side Dish

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As Spring turns into summer, zucchini starts showing up in full force. Zucchini ends up on my table in many forms, and this Zucchini Gratin is a favorite. This cheesy side dish pairs well with any protein to complete a meal and is quick to prepare.

6 Tbsp. butter + more for topping

1 lb. yellow onions, ct in 1.2 and sliced

2 lbs. zucchini (roughly about 4 zucchini), sliced 1/4″ thick

2 tsp. salt

1 tsp. pepper

1/4 tsp. ground nutmeg

2 Tbsp. flour

1 cup hot milk

3/4 cup breadcrumbs

3/4 cup Gruyere cheese, grated

Preheat oven to 400 degrees. Melt the butter in a large frying pan and cook onions for 20 minutes until tender but not brown.

Add zucchini. Cover and cook for 10 minutes.

Add salt, pepper and nutmeg. Cook uncovered for 5 minutes. Stir in flour.

Add the hot milk and cook over low heat for a few minutes until it makes a sauce. Pour into an 8×10 baking dish.

Combine the breadcrumbs and Gruyere cheese. Sprinkle on top of the zucchini mixture. Dot with butter.

Bake 20 minutes or until bubbly and brown.

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Zucchini Gratin

Zucchini, buttery Gruyere cheese and a creamy sauce bake up into an amazing side dish. This casserole is perfect to serve along side steak, chicken, pork or fish.
Prep Time 10 minutes
Cook Time 1 hour
Total Time 1 hour 10 minutes
Course Side Dish
Servings 6 servings

Equipment

  • Measuring spoons
  • 1 measuring cup
  • cheese grater
  • 1 knife
  • 1 frying pan with lid
  • 1 Large spoon
  • 1 8×10 baking dish

Ingredients
  

  • 6 Tbsp. butter + more for topping
  • 1 lb. yellow onions, chopped ct in 1.2 and sliced
  • 2 lbs. zucchini, sliced roughly about 4 zucchini, sliced 1/4″ thick
  • 2 tsp. salt
  • 1 tsp. pepper
  • 1/4 tsp. ground nutmeg
  • 2 Tbsp. flour
  • 1 cup hot milk
  • 3/4 cup breadcrumbs
  • 3/4 cup Gruyere cheese, grated grated

Instructions
 

  • Preheat oven to 400 degrees.
  • Melt the butter in a large frying pan and cook onions for 20 minutes until tender but not brown.
  • Add zucchini.
  • Cover and cook for 10 minutes.
  • Add salt, pepper and nutmeg.
  • Cook uncovered for 5 minutes.
  • Stir in flour.
  • Add the hot milk and cook over low heat for a few minutes until it makes a sauce.
  • Pour into an 8×10 baking dish.
  • Combine the breadcrumbs and Gruyere cheese.
  • Sprinkle on top of the zucchini mixture.
  • Dot with butter and bake for 20 minutes or until bubbly and brown.
Keyword Baked zucchini recipes, Side Dish, Side dish recipe, Zucchini Casserole, Zucchini Gratin, Zucchini Gratin Recipe

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