Cinnamon Meatballs

For the meatballs:

• 6 tablespoons sour cream full-fat
• 2 tablespoons milk whole
• 2 cups white sandwich bread cubes, about 2 slices
• 1 pound ground beef 80%-90% lean
• 2 tablespoons parsley finely chopped, fresh
• 1 egg large
• 2 garlic large cloves, peeled and minced or pressed
• ¾ teaspoon salt
• 1 teaspoon cinnamon

For the marinara sauce:

• 1 tablespoon olive oil
• ¼ cup onion finely diced, white or yellow; about ⅓ of a small onion
• ½ cup red wine dry
• 1 crushed tomatoes 28 ounces, canned
• 1 tablespoon oregano dried
• 1 tablespoon parsley chopped, fresh
• salt
• black pepper