Simple Brussels Sprout Casserole

SIMPLE BRUSSELS SPROUTS CASSEROLECASSEROLE:6 slices bacon, chopped1 c. chopped yellow onion2 lbs. Brussels Sprouts, ends trimmed and halvedSalt/red/black pepper to taste¾ c. heavy cream1 T. Dijon mustard1 T. lemon juicePAM1 c. Monterrey Jack Cheese, shredded1 c. shredded sharp cheddar cheeseTOPPING:½…