To prepare a feta stuffed cocktail buffalo chicken meatballs recipe, first you will need to gather your ingredients. First, you'll need the following ingredients: 2 tbsp. kosher salt, 2 tablespoons. olive oil, 1 tablespoon. lemon juice, and 1 teaspoon. ground black pepper. Toss the ingredients together until they're evenly coated. Place the mixture in the refrigerator to marinate for at least 1 hour, or overnight if you want to keep it moist. When the time is up, preheat the oven to 375 degrees F (190 degrees C) and cook the meat balls for about 20 minutes. Then, place them in an airtight container and refrigerate them until you are ready to use them.