Spiced Meatballs (Soutzoukakia)

Ingredients

• 2 slices stale white bread, crusts removed
• 1/3 cup dry red wine
• 1 pound ground beef
• 1 small onion, grated
• 2 cloves garlic, minced
• 1 egg
• 1 1/2 teaspoons ground cumin
• 1/2 teaspoon ground cinnamon
• 1/4 teaspoon ground allspice
• 1 teaspoon salt
• 1/4 teaspoon black pepper
• 2 tablespoons chopped fresh parsley
• 3 tablespoons olive oil, divided
• 1/4 cup all-purpose flour, for dusting
• 2 cups marinara sauce
• 1/2 cup water
• 1/4 teaspoon ground cumin, for the sauce
• 1 pinch sugar