Slow Cooker Spinach Artichoke Dip

Ingredients

• 2 (14-ounce) cans artichoke hearts, drained and chopped
• 1 (10 ounce) package frozen spinach, thawed and squeezed dry, chopped
• 1 cup sour cream
• 1 small onion, diced
• 2 cloves garlic, crushed
• 3/4 cup parmesan cheese, grated
• 3/4 cup milk
• 1/2 cup feta cheese, crumbled
• 1/3 cup mayonnaise
• 1 tablespoon red wine vinegar
• 1/4 teaspoon ground black pepper
• 1 (8-ounce) package cream cheese, cubed