Step 1

Pour evaporated milk into a small metal bowl, cover and refrigerate at least 1 hour.

Step 2

Meanwhile, in a large bowl, dissolve gelatin and stevia in boiling water. Stir in lemon juice. Cover and refrigerate about 1 hour, or until syrupy.

Step 3

In a small bowl, combine crumbs and margarine; set aside 2 tablespoons for garnish. Press remaining crumbs into bottom of a 9- x 13-inch baking dish.

Step 4

Beat evaporated milk until soft peaks form. Beat gelatin until tiny bubbles form. Fold evaporated milk into gelatin, then pour over crust and sprinkle with reserved crumbs.

Step 5

Cover and refrigerate 6 hours, or until set. Cut into squares.