Step-by-Step Instructions

Step 1: Preheat the Oven

• It has to be set at 350degF (190degC).
  
• Apply a thin layer of oil inside the 9x13 " baking dish or a larger casserole dish to prevent the dish from sticking.

Step 2: Prepare the Broccoli

• Create the largest pan of water, and then bring it up to the temperature where it's reaching a point of boiling.
  
• Mix 4 cups broccoli leaves, and cook them for about 2 minutes, or until they're vibrant as well as soft.
• Take the broccoli whenever you can and rinse it with the cold water. It is an option to put it into an ice-bath to cook it. Place it aside.

Step 3: Saute the Aromatics

• A cooking stove can be heated, for instance the pan that melts one spoon of butter, at moderate temperatures.
  
• Combine it with a small, chopped onion finely chopped and three garlic cloves, which have been chopped.
• Saute onions in a pan for 3-4 minutes. Cook for 3-4 minutes or until the onions have become translucent and garlic smells wonderful. Take it off the stove.

Step 4: Make the Creamy Cheese Mixture

• A large mixing bowl:
  
• 3 large eggs
• 1 cup full-fat milk (or plant-based milk, if you'd prefer)
• Half-cup of Sour cream and Greek yogurt, to give you the option of a healthy diet
• Incorporate the sauteed garlic, sauteed onions and sauteed onions to the dish.

Stir in:

• 1.5 cups shredded sharp cheddar cheese
• 1/4 cup grated Parmesan cheese
• The dish must be served with a layer that is made of Salt along with black pepper. You may also add spice, paprika, according to your preferences. For a little spice, sprinkle some pieces of red pepper.

Step 5: Combine the Broccoli

• Easy fold of broccoli that are blanched in the mix of cheese.
  
• Make certain that each piece has been coated uniformly.

Step 6: Assemble the Casserole

• Combine the cheese and broccoli in the baking dish you made.
  
• Disseminate it in an uniform way.
• Include the remaining half-cup of cheese to increase the cheddar taste.

Step 7: Prepare the Crunchy Topping

• within the form of a container small enough for blend:
  
• 1 cup panko breadcrumbs (or crushed Ritz crackers)
• Two Tablespoons butter, which melts
• Mix thoroughly prior to spreading evenly across the casserole.

Step 8: Bake

• Next you can place the casserole dish inside an oven to bake in the oven at the temperature you'd like.
  
• Bake for 25-30 minutes, and up to 30 minutes to bake an oven-baked casserole that is golden and hot.

Step 9: Rest & Serve

• Remove the casserole from the oven. Let it cool to room temp for around 5-10 mins prior to serving.
• Mix it up with Parmesan and dried or fresh herbs if you've discovered ones you like.