Spinach and Fresh Mozzarella Portabella Mushroom Pizza with Sun Dried Tomatoes

Name: Spinach and Fresh Mozzarella Portabella Mushroom Pizza with Sun Dried Tomatoes
Ingredients: 1 tablespoon Olive Oil; 12 ounces Frozen, Chopped, Spinach, thawed and squeezed dry; 1 cup Diced Onion; 3 Garlic Cloves, Minced; 1 pinch Salt; 1/2 teaspoon Fresh Ground Pepper; 1/2 teaspoon Italian Seasoning; 1 Portabella Mushroom Caps, rubbed clean with a damp paper towel; 4 ounces Fresh Mozzarella Cheese; 1/2 cup Sun Dried Tomatoes, Julienne, not packed in oil; 2 tablespoons Toasted Pine Nuts