Simple, but out of this world!
Preheat oven to 325 degrees F (170 degrees C).
Place crackers on 10x15-inch sheet cake pan, covering bottom.
Bring sugar, butter, and cream of tartar to a boil in a saucepan. Add nuts; pour mixture oven the top of the crackers.
Bake in preheated oven for 10 minutes. Cool for a few minutes in the pan; remove from pan while still warm.
Per Serving: 151 calories; protein 1.3g; carbohydrates 17.4g; fat 8.9g; cholesterol 13.9mg; sodium 123.8mg.