Melt butter in saucepan; add cornstarch mixed with milk.

Season to taste; add salmon, olives, and lemon juice. Mix well, cool.

Mix biscuit dough according to directions; roll thinly into oblong shape.

Spread with filling.

Moisten edges of dough; roll up.

Move carefully onto greased baking sheet; twist into horseshoe shape. Using kitchen scissors or sharp knife, make cuts about tw0-thirds of way into roll.

Turn each section on its side so filling is exposed a little.

Glaze with beaten egg or milk.

Bake in preheated 450°F oven 15 to 20 minutes.