I’ve made this queso for years! I don’t know where this recipe came from, it’s something we made at the fire station and has been a staple of mine ever since.
Add all ingredients into a blender. Bring the blender to high speed until smooth.
If you have a high-speed blender, like a Vitamix, just keep the blender running on high until the sauce gets steamy and thick, about 5 minutes. If using a regular blender, pour blended mixture into a saucepan, bring to a boil, and simmer until thick.
Notes
This sauce works fabulously in mac and cheeze, and can be made without adobo if you don’t want a Tex-Mex style queso sauce.You can make adobo sauce if you don't want to buy a can of chipotle peppers. Here's the recipe: https://trimazing.com/adobe-sauce/