Place tomatillo, serrano pepper and onion n a sheet pan and broil until charred.
Remove from baking sheet to blender and blend until smooth.
Heat lard, bacon grease or vegetable in a small saute pan over medium high heat. Add garlic for 30 seconds, being careful not to burn. Add blended tomatillo mixture, chicken broth, sugar and heavy cream. Reduce to low and simmer until ready to serve.
Black Eyed Peas
Cook bacon in a small saute pan until fat is rendered. Remove bacon.
Add onion and saute until softened.
Add black eyed peas, broth and salt and pepper to taste. Return bacon to pan.
Reduce heat to low until ready to serve.