Heat oven to 450F. Line bottom and sides of 9 x 5 x 3" loaf pan with foil, leaving 2" overhang on each side; grease foil.

In small skillet over medium heat, cook bacon until crisp; drain on paper towel. Crumble.

Arrange biscuits from one package in single layer in prepared pan. Spread mustard over biscuits; sprinkle cheese and crumbled bacon over mustard. Arrange biscuits from second package in single layer over cheese.

Bake bread 10 minutes; cover pan loosely with foil; bake 10 minutes longer. Cook in pan on wire rack 5 minutes. Use foil overhangs to life bread from pan; peel off and discard foil. Serve bread warm, cut into 3/4" slices.