Step 1

Preheat oven to 350°F and line a rimmed sheet pan with aluminum foil.

Step 2

Lightly grease the foil with butter and line the baking sheet with graham crackers, breaking them where necessary to make them fit.

Step 3

Combine butter, brown sugar, pecans, and salt in a medium saucepan over medium heat. Bring to a boil and let cook 2 minutes, stirring constantly.

Step 4

Remove from heat and stir in vanilla. Immediately pour hot mixture over graham crackers and spread mixture to edges of pan using a spatula. Make sure pecans are evenly distributed and that crackers are covered.

Step 5

Bake until bubbly, about 10 minutes.

Step 6

Allow to cool completely and break into pieces. Enjoy!