This is actually a recipe Grandma got from Aunt Judy, but I remember Grandma making these.
1/2 cup butter
1 cup brown sugar
1 1/2 cups chocolate chips
Place soda crackers on buttered aluminum foil that is on top of a cookie sheet. Melt butter and sugar until it bubbles/boils. Pour on top of crackers. Bake 350 degrees for 5 minutes. Sprinkle chocolate chips over the top and use a spoon to spread out the chocolate chips. Cut and put in refrigerator. Tastes like toffee.