1-Begin by preparing all your ingredients, such as rinsing the spinach, mincing the garlic, and measuring out the cream and cheese to make cooking smooth and efficient.

2-First, cook the tortellini according to package instructions, then drain and toss with a little oil to prevent sticking.

3-Next, in a large skillet, melt the butter over medium heat and add garlic, flour, and onion powder, stirring for about 1 minute.

4-Slowly whisk in the milk and heavy cream until smooth, then let it simmer and thicken slightly.

5-Stir in the diced tomatoes, chopped spinach, basil, oregano, and parmesan cheese, seasoning with salt and pepper.

6-After that, toss the cooked tortellini with the sauce, adding pasta water or milk if needed to adjust thickness, and serve warm with extra cheese on top.