Spinach Burger Meatballs

• 1 lb ground beef
• 1 block frozen spinach
• 1 pkg onion soup
• 1 cup mozzarella
• 1/2 cup panko or breadcrumbs
• 1 egg

Preheat oven to 400 degrees.

In a large bowl, mix together ingredients until well-combined. Shape into balls and place on a greased baking sheet or in a 9×13 baking dish. Bake for 10-12 minutes, or until meatballs are golden on the outside and no longer pink on the inside.