High-Protein Spinach & Asparagus Frittata Casserole Recipe (6 Ingredients, 30 Minutes) Casseroles Vegetarian Brunch Breakfast Dinner Gluten-free High Protein Recipes Vegetables

Spring is prime season for asparagus. With all the health benefits of asparagus and spinach, this easy vegetable frittata recipe is a must-make. The spinach and asparagus frittata casserole is quick to prep and has just six simple ingredients.

Here is your shopping list for this egg casserole recipe: fresh asparagus, butter, green onions, fresh spinach, eggs and cheddar cheese.

Start by boiling asparagus until it is crisp-tender. Onions are cooked in a skillet in butter until soft, Add the fresh chopped spinach and cook until it wilts. Add the asparagus and let the mixture cool before adding beaten eggs and shredded cheddar cheese. The gluten-free frittata is baked in the oven in a 13x9-inch baking pan until the eggs are set. Cool and cut into squares.

Serve this easy high-protein spinach and asparagus frittata recipe for lunch, dinner, brunch or breakfast. If serving for breakfast, you could add some crumbled bacon or prosciutto on top. Oh, my!

Cuisine: American / Italian
Prep Time: 5 minutes
Cook Time: 25 to 35 minutes
Total Time: 30 to 35 minutes
Servings: 8

Ingredients

• 1 bunch asparagus, ends trimmed and cut into bite-sized pieces
• 1 tablespoon butter
• 3 green onions, chopped
• 2 cups chopped fresh spinach
• 12 eggs
• 2 cups shredded cheddar cheese (or your favorite cheese)

Here's how to make it: 

1. Cook the asparagus in boiling, salted water until crisp-tender, about 2 to 3 minutes. Drain. (You could use broccoli, green peas or green beans instead of asparagus.)
2. Melt the butter in a skillet. Add the onions and cook until soft, about 1 minute. Add the spinach and cook until wilted, about 1 minute. Stir in the drained asparagus. Set the mixture aside to cool slightly. (Don't like spinach? Use arugula, kale or your favorite greens.)
3. Whisk the eggs in a bowl. Season with salt and pepper. Add the cheese and asparagus mixture. Add some crushed red pepper flakes for a little kick.
4. Pour the mixture into a buttered 13x9-inch baking pan. Bake in a preheated 350-degree F oven for about 20 to 30 minutes or until eggs are set. Cool a few minutes before cutting into squares. Store any leftovers in an airtight container in the fridge. Reheat quickly in the microwave.

Recipe cooking times, nutritional information and servings are approximate and provided for your convenience. However, 30Seconds is not responsible for the outcome of any recipe, nor may you have the same results because of variations in ingredients, temperatures, altitude, errors, omissions or cooking/baking abilities. Any nutritional information is provided as a courtesy and it is up to the individual to ascertain accuracy. To ensure image quality, we may occasionally use stock photography.

Take 30 seconds and join the 30Seconds community, and follow us on Facebook to get recipes in your newsfeed daily. Food, fun, health, happiness.