This promo recipe was printed on a Borden’s Eagle Brand Sweetened Condensed Milk label and found in a large collection, date unknown. I’ve typed it below along with a scanned copy.

MAGIC LEMON MERINGUE PIE

Makes an 8-inch pie or 5 to 6 servings.

FILLING

1 crumb or baked pastry 8-inch pie shell, cooled
1 1/3 cups (15-oz. can) Eagle Brand Sweetened Condensed Milk
1/2 cup lemon juice (fresh, reconstituted or frozen)
1 teaspoon grated lemon peel (fresh or dried)
2 egg yolks

In medium-sized mixing bowl blend together Eagle Brand Sweetened Condensed Milk, lemon juice, lemon peel and yolks until thickened. Turn into pie shell.

MERINGUE

2 egg whites (at room temperature)
1/4 teaspoon cream of tartar
1/4 cup sugar

In small-sized mixing bowl whip whites with cream of tartar until they hold a soft peak. Gradually whip in sugar; continue to whip just until whites hold firm peaks. Pile onto pie filling and seal to inside edge of pie shell. Bake in 325° F. (slow) oven until top is golden brown, about 15 minutes. Cool.