Turn oven heated to 180C. Prepare muffin tray, inserting paper shapes (or use silicone shapes - 12) and set aside. Using a mixer, mix the butter and sugar. Add eggs and vanilla and beat again. Add salt, baking powder and flour and mix with a spatula and then beat with a mixer, gradually adding milk. Divide the mixture into 12 muffin trays and bake for about 20 minutes. Check with a wooden stick readiness of the muffins before removing them from the oven. After being allowed to cool for about 45 minutes. Decorate as desired.