PREHEAT oven to 375°F. Cook peppers and onions in hot oil in large skillet on medium heat until crisp-tender, stirring occasionally. Remove from heat.
ADD artichokes, crabmeat, mayo and cheese; mix well. Spoon into lightly greased 1-quart baking dish.
BAKE 25 to 30 minutes or until hot and bubbly. Serve as a spread with crackers.