Spinach and Artichoke Grilled Cheese Sandwich

Ingredients (10)

• 2 tablespoons olive oil
• 2 cloves garlic
• 1 cup fresh spinach
• 4-6 canned artichoke hearts in water
• 1/2 cup sun dried tomatoes
• 1/3 cup ricotta cheese
• 1/3 cup grated parmesan cheese
• 8 ounces mozzarella fresca
• 4 slices sourdough bread
• 4 tablespoons butter