HEAT oven to 425ºF.
COOK chorizo in large skillet on medium heat 5 to 7 min. or until done, stirring occasionally; drain. Add red peppers and onions; cook 3 min., stirring occasionally. Stir in mushrooms and jalapeño peppers; cook 4 to 5 min. or until mushrooms are tender.
PLACE pizza crust on baking sheet; brush edge with oil. Spread crust with sauce; top with 3/4 cup cheese, chorizo mixture, tomatoes and remaining cheese.
BAKE 12 to 14 min. or until crust is golden brown and cheese is melted. Sprinkle with cilantro.