Perfect Everything Bagel Casserole
PERFECT EVERYTHING BAGEL CASSEROLE3 day old everything bagels, cut into bite-size pieces (about 6 cups)1 bell pepper, chopped1 c. quartered cherry tomatoes6 slices cooked bacon, chopped8 eggs1 ½ c. milk1 ½ c. shredded cheddar cheese½ t. ground mustard¼ t. salt¼…