Place pumpkin seeds in a colander and use your hands to agitate the pulp and fibers and remove from the seeds. Dry very well with a towel.
Preheat oven to 300°F and line a baking sheet with parchment paper.
Place the seeds on the prepared sheet pan. Toss with the olive oil and salt to combine and bake until golden brown, about 40-45 minutes, stirring occasionally.
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Notes
Tip: Toss your pumpkin seeds every 10 minutes to get an even roast all the way around.