Roasted Pumpkin Seeds seeds from Jack O'Lanterns salt Cayenne Pepper Chili Powder water Remove seeds from pumpkin and wash off all pulp. Place seeds in shallow baking pans. Half cover seeds with salt water (1 teaspoon salt to 1 cup water). Place in a 200 degrees oven and bake until all water has evaporated and seeds are crisp. Store in airtight container if they last that long.