Oatmeal Raisin Cookie Coffee Cake. The title is surely a mouthful. When I first found this recipe, sorry I can't remember where, I thought 'So it tastes like a cookie? yeah right'. I thought it would be an oatmeal coffee cake. After making it and cutting into it before it had even cooled, I was proven wrong. This tastes like someone sandwiched an oatmeal cookie right between a coffee cake. So thus the piece was gone in a second. It is more of a dessert so I would save it for after dinner, rather than for breakfast what time of day I would generally assume people eat coffee cake at.