Crock-Pot Braised Chipotle Beef

CROCK POT BRAISED CHIPOTLE BEEF3 lbs. lean chuck roast, cut into 2” pieces2 T. olive oil, divided1 large Vidalia onion, cut into 1” pieces2 red bell peppers, cut into 1” pieces3 T. tomato paste1 T. chipotle chili powder1 T. smoked…