1. Microwave oil until warm (30 seconds). Add oregano, dill, thyme, and crushed red pepper flakes. Let sit for herbs to infuse oil (15 minutes).
2. Place popcorn in a paper bag and fold closed. Microwave on high until pops between kernels slow down to one every 3 seconds (2-3 minutes).
3. Being mindful of steam, open the bag, drizzle in the herbed oil, sprinkle on the nutritional yeast, close the bag, and shake to combine.