Preheat oven to 375 F. Lightly spray a 12-cupcake pan with oil.
In a large saute pan, over medium high heat, brown Italian Sausage for about 5 minutes, or until the sausage is no longer pink. Remove from heat and stir in broccoli.
Whisk together eggs, milk, oil and baking powder. Season with salt and pepper.
Spoon out the sausage and broccoli mixture evenly into each cupcake.
Ladle the egg mixture over sausage and broccoli.
Sprinkle with Parmesan cheese.
Bake for 15-20 minutes.
Notes: Have not tried to freeze although I bet they will freeze great. freeze great Have also made these with some cheddar cheese and left over cooked asparagus. I think there is many combinations to use.