01 -
On medium-high heat, melt the butter in a medium saucepan.
02 -
Stir the flour and garlic powder (if you’re using it) into the melted butter until it forms a smooth paste.
03 -
Slowly pour in the milk while whisking continuously. Cook this mixture over medium-high heat, stirring frequently, until thickened. This should take roughly 6 minutes. Season with salt and pepper.
04 -
Add the frozen peas to the thickened mixture and cook, stirring occasionally, until they're warmed through, about 4 minutes.
05 -
Mix in the heavy cream (if desired) and adjust the seasoning as needed. Garnish with pepper, a pat of butter, or fresh herbs like dill or chives. Serve and enjoy!