1 onion, finely chopped
4 Tablespoons olive oil
1-1/2 cups gf tomato sauce
1 Tablespoon red wine vinegar
1 teaspoon paprika
1/2 teaspoon fresh ground pepper
1/2 teaspoon ground cinnamon
Pinch of ground cloves
Salt
1 pound ground beef
2 Tablespoons onion, grated
1 garlic clove, crushed
1/2 cup gf breadcrumbs
1 teaspoon fresh mint, chopped
1/4 teaspoon dried oregano
2 pinches ground allspice
1 egg, lightly beaten
2 Tablespoons butter