Save the seeds from your pumpkins this year and make roasted pumpkin seeds for a healthy, crunchy snack!. Nov 2, Also known as "pepitas," pumpkin seeds are a great source for many vitamins. You can also roast acorn squash seeds using this method. Oct 16, Step-by-step photo tutorial for Perfect Roasted Pumpkin Seeds - a must every Halloween!. How to Roast Pumpkin Seeds Don't toss out the seeds the next time you're carving a jack o' lantern—dust them with cinnamon, sugar and butter, and bake up a tasty snack. Add spices: Toss the seeds with olive oil, salt and your choice of spices (see below). Return to the oven and bake until crisp and golden, about 20 more minutes. Scoop out the inside of your pumpkin, and separate seeds from pulp. Don't worry if there's a little pulp left on the seeds when you roast them—it only adds flavor.