Preheat oven to 350ºF. Lightly spray a muffin pan with cooking spray or line with cupcake liners.
In a skillet, cook sausage until no longer pink. Drain fat.
Combine cooked sausage, drained Rotel, Bisquick, eggs, cheese, milk, and hashbrowns.
Spoon batter into the prepared muffin pan. Fill the cups to the top.
Bake for 20 minutes, until brown.
