This cardamom coffee cake recipe is perfect for a lazy weekend brunch. The cake is moist and tender with a crunchy streusel topping. To make the cake, you will need all-purpose flour, sugar, baking powder, salt, eggs, milk, vegetable oil, ground cardamom, and instant coffee. Mix the dry ingredients together, then add the wet ingredients and mix until smooth. Pour the batter into a greased cake pan and sprinkle the streusel topping on top. Bake for 35-40 minutes at 350°F. Let the cake cool before serving.