4. Beat together the butter and sugar with a mixer for 3 minutes, scrape down the sides and bottom of the bowl. Add eggs and vanilla and beat until smooth (for 1-2 minutes).
5. Add in half of the dry ingredients, then mix to combine. Next add the milk mixed with lemon juice and beat until incorporated. Add the rest of the dry ingredients and beat until just combined.
8. Spread 1/2 of the cake batter on the bottom of the baking dish. Add the filling in a n even layer on top. Spread the remaining batter. Top with the Streussel. The topping might seem a little too much, so keep in mind that you can leave some out.
9. Bake for 45 minutes (between 40 and 50, depending on the oven), until toothpick inserted comes out clean. Let the cake cool to room temperature and cut into squares.
Cinnamon Coffee Cake with streusel topping recipe – made from scratch, moist, soft, buttery and simple to make, topped with a sweet glaze. Perfect with a cup of coffee or tea, for parties and potlucks.