1 pound bag frozen pearl onions
4 tablespoons butter
1/4 cup all purpose flour
1 1/2 cups whole milk, or cream
6 ounces cream cheese
3 tablespoons grated parmesean cheese, divided
1/2 teaspoon dry mustard
1/8 teaspoon nutmeg
1 teaspoon hot sauce, or more to taste
1 teaspoon worchestershire sauce
1/2 cup sliced almonds

Cook onions as directed on package in microwave.
Preheat oven to 350 degrees and spray casserole with non stick spray.
Melt buter in sauce pan, stir in flour, stirring til smooth, and cook for just a minute.
Stir in milk or cream, a little at a time using a spatula to stir.
Add in cream cheese, 2 tablespoons of parmesean, and seasonings.
Stir until smooth and mixture starts to thicken.
Drain onions well, add to sauce, and stir to combine.
Pour into prepared casserole, sprinkle with remaining cheese and almonds.
Bake til bubbly.

You can add anything that floats your boat here, crumbled cooked bacon, cooked asparagus, grated cheddar cheese.
This is not your mommas creamed onions.