In 3-quart saucepan, heat milk and salt just to boiling over medium-high heat.
Gradually stir in grits.
Reduce heat; cook uncovered 20 minutes, stirring frequently, until thickened.
Add butter and Gouda cheese; stir until melted.
Remove from heat.
Lightly spray 3-quart casserole with cooking spray.
Pour grits mixture into casserole.
Cool 20 minutes.
Meanwhile, in 10-inch skillet, cook sausage over medium-high heat 5 to 7 minutes, stirring occasionally, until no longer pink.
Drain on paper towels.
Heat oven to 350°F.
In large bowl, slightly beat eggs with whisk; stir in whipping cream, 2 tablespoons parsley, 1 cup of the Cheddar cheese and the cooked sausage.
Pour over grits mixture.
Top with remaining ½ cup Cheddar cheese.
Bake uncovered 35 to 40 minutes or until set and edges are lightly browned.
Sprinkle with additional parsley.
Notes / Tips / Wine Advice:
Festive Touch
You can bake this casserole in 8 (12-oz) individual casserole dishes. Make as directed except: in Step 2, divide grits mixture evenly among casserole dishes. Cool 10 minutes. In Step 4, divide egg mixture evenly over grits in casseroles. Bake 15 to 20 minutes.