Bacon Cheese Puffs

1/2 cup milk
1 egg, lightly beaten
2 cups grated cheese, a sharp cheddar is best
2 medium onions, finely chopped
3 slices bacon, finely chopped
1 cup self-raising flour
1 teaspoon grainy mustard (or French mustard)

1 Preheat oven to 180°C/350°F.
2 Combine egg and milk, and stir into remaining ingredients.
3 Drop by rounded teaspoon onto a lightly greased cookie sheet.
4 Bake until golden (about 20 minutes).
5 Cool on wire racks.

NOTE :
” Please note that some meals are better to be prepared every once in a while because of some ingredients like meat, cheese, lot of sugar, fats..etc.
Having meals with these ingredients all the time may damage your health. ”