Grilled Cheese Burgers
1 egg 1/2 cup quick oats 1/3 cup finely diced onion 1/2 cup chopped fresh spinach 1 lb ground beef 1/2 cup tbsp shredded Cheddar cheese Salt and pepper to taste 4 hamburger buns 2 large tomatoes, sliced 1 avocado, sliced In a large bowl, beat the egg. Add the…