center comes out clean. let cake cool completely, then pour glaze over cake.
to make chocolate glaze: put chocolate chips, butter, and honey in a small microwave-safe bowl or 2-cup microwave-safe glass measuring cup. microwave on medium for 1 minute, stir, then if needed, heat an additional 15 seconds until all the chips are melted and mixture stirs smooth. pour glaze over cake, then spread out with the back of a spoon to cover the entire cake. let glaze set before cutting.
*note: you can “make” your own sour milk by adding 1 tablespoon of vinegar or lemon juice to 1 cup of milk and let it sit for about 5 minutes 