Eleanor, I can't find the recipe for hard tack, and I have never had that particular candy. Perhaps you could experiment with this recipe and roll in powdered sugar before it cools completely. If you do find the recipe you are looking for, please share it with us.

PEANUT BUTTER BRITTLE

2 cups sugar
1/2 cup light corn syrup
1/2 cup water
1/3 cup chunky peanut butter
1 tsp baking soda

Grease 2 large baking sheets. Place on wire racks.

In heavy 1 1/2 quart saucepan, add sugar, corn syrup, and water, stirring constantly. Boil over medium heat. Cook with out stirring until mixture is 300 degrees F on candy thermometer.

Stir in peanut butter, blend well. Remove from heat. Quickly, but gently, stir in baking soda. Immediately pour onto cookie sheets. Don't spread. Cool for 3 to 5 minutes till cool enough to handle.

With hands grasp candy by edges, lifting slightly, pull as thin as possible. Cool.

Break into irregular pieces. Store in tightly covered container.

Makes 1 1/4 pounds