You can use your fingers to rub the butter into the flour mixture.

Using your fingers, rub the butter into the flour, cream of tartar and salt.

Alternatively, put in a large bowl and rub the butter into the flour using your fingertips.

Using your fingers rub the butter through the dry ingredients until it resembles a crumble mixture.

Using your fingertips, lightly rub the butter into the flour until it has the consistency of crumbs.

Put the salt and baking-powder in the flour and sift well, and then rub the butter in with a spoon.

For the pastry, rub the butter into the flour either by hand or using a food processor to achieve a fine crumb.

Once the butter has been added to the flour, use your hands to rub the butter into the flour until it becomes crumbly.

Rub the butter and flour smooth and put into a frying pan.

Rub the butter into the flour, stir in the sugar and baking powder.

Rub the butter and sugar to a cream; add vanilla and beat well.

Rub the butter all over the mackerel, including inside the cavity.

Rub the butter in with your fingertips mixing until mixture resembles coarse breadcrumbs.

Rub the butter into the flour until the mixture is crumbly.

Rub the butter into the flour until the mixture resembles coarse bread crumbs.

Rub the butter in the dry ingredients until it resembles crumbs.