How to Make Sour Milk and a Substitute for Buttermilk

Instructions
Things You'll Need:
a.. Milk
b.. Fresh squeezed lemon juice
c.. or Distilled White Vinegar
1.. Step 1
Place 1 tablespoon freshly squeezed lemon juice or distilled white vinegar in
a glass measuring cup.

2.. Step 2
Add in milk (2% or richer) to equal 1 cup. Stir.

3.. Step 3
Let stand for 15 minutes until it looks like its beginning to curdle or
slightly curdled.