Have a look at these links
http://www.monsterfishkeepers.com/forums/showthread.php?t=46698&highlight=carp+bait
also
Carp Doughball Recipes
Cornmeal Carp Bait
Boil 1 pint of water in saucepan
Mix 2 cups of cornmeal and 1 cup of flour together in a bowl
Add 1/2 package of gelatin to boiling water (any flavor)
Put burner on low and add 2 tablespoons (tbsp.) sugar and I tbsp. of vanilla flavor.
With a large spoon cover the surface of the water with the cornmeal and flour mixture. A bubble of water will come through. Cover the bubble with cornmeal. Another bubble will come through (cover again). over the bubbles until the cornmeal/flour mix is gone. Stir dough mixture for about 30 seconds. Remove pan from the stove and dump dough onto foil. Knead the dough as soon as it is cool enough, then roll into a ball. Wrap dough in foil, and refrigerate. (Keeps about a week)
Doughball Delight
Blend together 1 cup of water, 1 1/2 tbsp. vanilla, 1 tbsp. honey, and 4 tbsp. sugar in a medium-sized pot, over medium heat. When mixture starts to boil, slowly sprinkle in 1 cup of yellow cornmeal. Stir mixture quickly and thoroughly for about 3 min. until it becomes a firm doughy consistency. Remove from heat and put dough on a dinner plate. Press the dough flat and let it cool for 1 or 2 min. then turn it over and let the other side cool. Work the dough in your hand for a minute, then place it in a plastic bag and seal it.
Bouncing Doughball
2 cups flour
2 cups cornmeal (Quaker)
2 cups water
Put into an old pot and stir into a paste. Cook, flatten, and stir until mixture becomes thick. Add I tbsp. vanilla, 4 tbsp. Karo dark syrup. Sprinkle with cinnamon. Cook, flatten, and stir until thick again. For desired consistency, make a little ball out of the mixture, drop it and if it doesn’t bounce an inch or two, continue cooking until it does.
Jell-O Doughball
Bring 3 cups of water to a boil. Add three tbsp. of strawberry flavored Jell-O, then slowly add, while stirring a mixture of two cups of yellow cornmeal and one cup of flour. Now, turn down the heat and stir while cooking for about five minutes. Let the dough cool thoroughly before refrigerating in a plastic bag.