Place flour mixture ingredients into a gallon ziploc bag and shake to mix. Add cubed meat to flour mixture and shake and roll till all pieces are coated.
Heat large skillet over medium-high heat and add oil. When hot, carefully add flour-coated meat pieces and fry 1-2 minutes per side.
Place browned meat pieces in the crockpot. Add the potatoes, onions, carrots, and mushrooms.