Can we use bournvita instead of cocoa powder in cake recipes

Biscuit cake

Biscuit cake

Insteadof Hide & Seek ,any available chocolate biscuits can be added inpowder form. If Hide & Seek biscuits are unavailable ,Parle G biscuits can be substituted
Boost Burfi | Boost Fudge

Boost Burfi | Boost Fudge

If not using a Candy thermometer,check by taking a bit of the syrup between your thumb and indexfinger