1cupsoy milkyou can adjust the combination of the two milks to your preference
Mix all the dry ingredients together. Mix together the wet ingredients and fold into the dry ingredients. Mix until everything is incorporated.
Heat your waffle iron and spray with cooking spray. Add the batter (I used 1/4 cup batter for my square waffle iron) and cook until both sides are golden, about 5 minutes. Timing will vary based on the strength of your machine.
Alternatively, pour into a greased 9×13 pan and bake at 350 F for 18-20 minutes, until a toothpick inserted in the center comes out clean.