T.G.I. Friday's Hot Artichoke and Spinach Dip

1/2 cup sour cream
1/2 cup mayonnaise
1/2 cup grated parmesan cheese
1/2 cup cubed mozzarella cheese
1-2 teaspoons minced garlic
1 (10.00 ounces) package frozen spinach, thawed and squeezed of its juices
1 (14.00 ounces) can artichoke hearts, chopped (can also use thawed frozen hearts)

Combine all ingredients. Place in shallow casserole dish. You can either bake dip about 15 to 20 minutes at 325°, or heat in microwave a few minutes.