- Grease a cake tin with little oil and dust with flour to coat the pan. Use a parchment paper to line the base of the tin. In a medium bowl, sift flour, baking powder, and baking soda. Add salt, whisk the dry ingredients until well combined. Set aside. In another bowl, measure out the tutti-frutti, add a teaspoon of flour to coat them. Set aside. In a large bowl, add yogurt, whisk it well. Then add milk, oil, sugar, clear vanilla and butter extracts. Whisk well to incorporate all the ingredients. Add the semolina to the liquid ingredients, mix well, cover and set aside for 30 minutes. After about 20 minutes, preheat the oven to 350 degrees F, position a rack in the middle of the oven. Now, add the flour mixture prepared in step 2 along with the coated tutti frutti, fold in gently with a spatula. Transfer the batter to the prepared baking tin. Bake in the middle rack, for about 35 - 40 minutes. Cool the cake on a rack in the tin for 15 minutes. Then remove from the tin and cool on the rack completely. Cut into desired pieces and serve.