1: Preheat the oven to 375°F.
2: Mix together ground beef, bread crumbs, egg, pesto, and spaghetti sauce in a bowl.
3: Roll the mixture into smaller meatballs.
4: Place meatballs on a baking sheet.
5: Bake for about 20 minutes until done and edges are crispy.
6: Keep an eye on them to avoid burning on the bottom.
