- Preheat an oven at 180 C / 350 F for 10 minutes. Grease a cake tin. Take a small bowl. Add yogurt and baking soda. Mix well. Cover this bowl with a small plate and leave this for 10 minutes. Take a mixing bowl. Add butter and sugar and beat using a hand mixer or a hand whisk. You have to beat it till it gets light in color and it looks creamy. This might take around 4-5 minutes. Now add the yogurt ,baking soda mixture. Mix well. Add strawberry puree and vanilla essence. Beat for a minute. In a separate bowl, put a sieve. Add maida and baking powder. Sieve it nicely. Add the dry ingredients into the wet ingredients. Add milk. Mix till you get a smooth cake batter. Add cake batter into the greased cake tin. Bake at 180 C /350 F for 30-35 minutes. Take it out and let it come to cool. Cut into pieces and serve.