1. Preheat oven to 300 degrees. Line a large baking sheet with parchment paper or a silicone mat. Set aside.
2. Popping the popcorn: Choose whatever your favorite way is to pop popcorn. (We normally use one of those contraptions that you can pop in the microwave, but below is our second favorite way) In a medium size saucepan on medium to high heat, put 1-2 Tablespoons of vegetable oil and 2 kernels of the popcorn. Once the two kernels pop, then add the 1/2 cup of kernels to the saucepan and cover with a lid. Wait until you hear no more popping, then remove from the heat and place in a large bowl,
3. In a small saucepan melt butter, brown sugar, corn syrup and 1 tsp salt together over medium heat. Bring to boil. Boil for 4 minutes without stirring. Remove from heat and let it cool for 2 minutes.
4. Pour caramel mixture over popcorn and stir to coat evenly.
5. Pour popcorn onto lined sheet pan and place in oven. Bake for 30 minutes, stirring every 10 minutes. Once done baking, allow popcorn to cool completely.