Ingredients
Scale
- ½ cup popcorn kernels, popped (about 8 cups)
- 1½ sticks (12 tablespoons) salted butter
- 1 12-ounce bag marshmallows
- 1 teaspoon vanilla extract
- Flaky sea salt
Instructions
- In a large pot, brown butter over medium heat until butter is golden and smells nutty, 5 to 7 minutes. Add marshmallows to the browned butter and mix with a silicone spatula until melted.
- Remove pot from heat and mix in vanilla extract. Add popcorn slowly and mix to combine.
- Transfer popcorn mixture to a parchment-lined baking dish and press down to form a 2-inch tall rectangle. (Tip: Use a small sheet of parchment to press down cereal mixture to keep your hands mess-free). Sprinkle flaky sea salt on top. Let popcorn treats completely cool, then cut into squares. Store in an airtight container.