Gouda, Kale, and Butternut Squash Breakfast Burritos

Ingredients

• 8 large eggs
• 1 yellow onion, sliced
• 2 cups shredded Gouda cheese
• 3 cups finely chopped kale (about 3 stalks)
• 3 tablespoons butter, divided
• 2 cups diced butternut squash
• 6 whole wheat tortillas
• 1/4 cup milk
• 8 oz baby bella mushrooms, chopped
• 3 cloves garlic, minced