Heat the water for the tortellini according to package directions.
While the water for the tortellini is heating, mince 2 cloves garlic and dice 1 red bell pepper and 1 onion.
Thaw 1 cup frozen peas.
Sauté the onion and red pepper in olive oil as needed in a large skillet until tender. Add the garlic and sauté a couple more minutes. Add the peas and heat through.
Remove vegetables from skillet and set aside. Melt 4 tablespoons butter in the same skillet and add ¼ cup white wine. Simmer the butter and wine together for a minute or two, then add 1 cup half and half and mix well.
Add 19 ounces frozen cheese tortellini to the boiling water as you are finishing up the vegetables and sauce.
Gradually add in 1 cup Parmesan cheese to the sauce, mixing well.
Season the sauce with salt and fresh basil to taste.
When the tortellini is finished cooking, drain it and return it to the pan.
Add the sauce and vegetables, mix well, and serve.