1 tablespoon butter
8 slices white bread; remove and save crusts
6 ounces thinly sliced ham, roughly chopped
8 ounces shredded Monterrey Jack cheese, divide
2 tablespoons dried minced onions, divide
6 eggs, beaten
3 1/4 cups half-and-half
1/2 teaspoon salt
3/4 teaspoon black pepper
1/4 teaspoon Tabasco sauce (about 2 shakes)