Step 2: Add sifted flour, cornstarch and baking powder.
Step 3: Mix the powders.
Step 4: Add milk.
Step 5: Add the seed oil.
Step 6: Squeeze the juice from the lemons and add to the remaining ingredients.
Step 7: Finish with the eggs.
Step 8: Mix everything well with a hand mixer.
Step 9: In the end you should get a creamy and lump-free mixture.
Step 10: Using an ice cream scoop, fill a muffin tin lined with paper cases 2/3 full with the prepared mixture and place in a static oven at 180°C for about 20 minutes. When the time has elapsed, take the cakes out of the oven, remove them from the tin and let them cool.
Step 11: Meanwhile, prepare the icing. Place the sifted powdered sugar in a bowl and add the lemon juice. Then mix well with a spoon until you get a liquid sauce with the right density.