In a medium bowl, mix together the melted butter, graham cracker crumbs, pecans, brown sugar, vanilla extract, cinnamon, and nutmeg until well combined.
Press the mixture into an ungreased 9x13 inch baking pan.
Bake for 15 minutes.
Allow to cool before cutting into bars.
Store in an airtight container.
Interesting Facts
Toffee bars are a great make-ahead dessert.
These bars can be stored in the refrigerator for up to two weeks.
Toffee bars are a great addition to any party or potluck.