First, pre-heat the oven to 190 C0 or 374 F. For deep cake […] Pour all ingredients into a large bowl and mix slowly for 2 minutes; continue mixing on medium speed for 3 minutes. Pour the dough into a well-greased pan. Chocolate Chips: Chocolate chips to get that extra delicious rich chocolate feel! Cocoa Powder: Have to have cocoa powder for hot cocoa cake! Marshmallows: I use the classic mini marshmallow, but feel free to use a healthier option if you would like! Again, use whatever kind you like. In case of using one speed mixers, the mixing time should be 5 minutes.