Spinach alfredo pizza

Ingredients

1 (10 ounce) package frozen chopped spinach, thawed and drained
1 (10 ounce) container Alfredo Sauce
1 (6 ounce) can sliced mushrooms, drained
1 (10 ounce) can artichoke hearts, drained and quartered
1/2 cup grated Parmesan cheese
4 cups shredded mozzarella cheese
2 unbaked pizza crusts
2 tablespoons olive oil

Directions:

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