01 -
1 tablespoon olive oil.
02 -
1 small onion, diced.
03 -
1 pound breakfast sausage, mild.
04 -
4 large croissants (or 8 small), torn into pieces.
05 -
1 cup shredded cheddar cheese.
06 -
6 large eggs.
07 -
1/2 cup heavy whipping cream.
08 -
3 cups whole milk, divided.
09 -
1/2 teaspoon dry mustard powder.
10 -
1/2 teaspoon salt.
11 -
1/2 teaspoon black pepper.
12 -
1/4 teaspoon paprika.
13 -
1/4 teaspoon garlic powder.
14 -
2 tablespoons butter.
15 -
3 tablespoons all-purpose flour.