Preheat oven to 350°F (180°C). In a large bowl, toss together almonds, olive oil, sea salt, lemon zest, cumin, sugar, paprika, chili powder and cayenne pepper.
Spread in single layer on a baking sheet lined with parchment paper. Bake, stirring occasionally, until well toasted, 20 to 25 min. Let cool to room temperature on baking sheet. Store in an airtight-container for up to 1 week.