Step 1

Cook tortellini according to directions listed on package.

Step 2

Meanwhile, in a large and deep skillet or saucepan, melt butter over medium heat. Add garlic, flour and onion powder and cook, stirring constantly, 1 minute.

Step 3

While whisking, slowly pour in milk and cream, then whisk until smooth.

Step 4

Cook, stirring constantly, until mixture begins barely simmer and thicken, then add tomatoes, spinach, basil, oregano and parmesan. Season with salt and pepper to taste.

Step 5

Reduce heat slightly and cook several minutes longer until sauce has thickened and cheese has melted. Remove from heat.

Step 6

Toss cooked and drained tortellini into sauce mixture, thin sauce with a little pasta water or milk as needed.

Step 7

Serve warm sprinkled with additional parmesan cheese and optional red pepper flakes.