Crockpot Beef with shallots

1/2 cup flour, all-purpose 1 teaspoon salt 1/8 teaspoon black pepper * 4 pounds beef, sirloin tip 1/2 cup shallots chopped * 1/2 pound mushrooms fresh, sliced[...]

1 large onion , halved and sliced thin 8 ounces portabello mushrooms , sliced 2 tablespoons butter 1 tablespoon oil 1 tablespoon flour 3 garlic cloves ,[...]

1 large onion , halved and sliced thin 8 ounces portabello mushrooms , sliced 2 tablespoons butter 1 tablespoon oil 1 tablespoon flour 3 garlic cloves ,[...]