If you really need a substitution, the general rule is that you need three times the baking powder for the equivalent ...

In a large bowl, whisk the flour, protein powder, sugar, cinnamon, salt and baking soda until well combined. Gently sir wet ingredients into the dry ingredients. Once barely combined, stir in the ...

Various baking ingredients including cubed butter, flour in a bowl, raw eggs, and a bottle of olive oil - Arx0nt/Getty Images ...