Preheat oven to 425° F
Combine welsh rarebit, pie pastry mix and onion powder in a medium bowl. Roll out to 1/8-inch thickness on a lightly floured surface. Cut into 1 1/2 x 1/2-inch strips. Place on ungreased baking sheets. Sprinkle with poppy seeds, if desired.
Bake for 10 to 15 minutes. Serve warm.
Servings: 18