Heavily coat a large baking sheet with baking spray. Combine sugar, water, salt and cayenne in a heavy small saucepan. Sitr over medium heat until the sugar dissolves. Boil 2 minutes. Remove from heat. Add pecans and stir until coated with the mixture. Spread evenly on prepared baking sheet and bake in a 350 degree oven for about 13 minutes or just until the pecans begin to brown. Remove to waxed paper. Separate halves with a fork.
