Adjust Oven Rack To Lowest Position, And Heat Oven To 450 Degrees. Mix Mayonnaise, Garlic And 1/2 Cup Feta In A Small Bowl. Place Pizza Crust On A Cookie Sheet; Spread Mayonnaise Mixture Over Pizza, Then Top With Tomatoes, Olives And Oregano. Bake Until Heated Through And Crisp, About 10 Minutes. Toss Spinach And Onion With The 1 Tb. Sun-Dried Tomato Oil. Top Hot Pizza With Spinach Mixture And Remaining 1/2 Cup Feta Cheese. Return To Oven And Bake Until Cheese Melts, About 2 Minutes Longer. Cut Into 6 Slices And Serve.