Chilli con queso

Directions

1. 1
   in a medium sauce pan, melt butter over medium heat.
2. 2
   Add onion, and heat until translucent.
3. 3
   continue cooking over medium heat, and mix in flour and whisk until smooth, and slightly browned.
4. 4
   gradually add milk while whisking continuously, so to incoprate the milk (like a hollandaise sauce).
5. 5
   Depending on your burner or the amount of flour you use, you may need anywhere between 1/2- 3/4 cup of milk.
6. 6
   if after 2-3 minutes of cooking, the mixture is too thin add a little more flour, or vice versa if mixture appears very thick you can add more milk.
7. 7
   It is best to start off with only 1/2 cup of liquids and use more as necessary.
8. 8
   When milk is completely incoprated, and the mixture thickens add the cheese.
9. 9
   Continue stirring until cheese is melted and the sauce is smooth.
10. 10
    remove from heat, spring with tomato and pepper and mix.