1. Preheat oven to 400 degrees F (200 degrees C). 2. In a small saucepan over medium-high heat melt butter with brown sugar; bring to a boil and remove from heat. 3. Arrange crackers (salt side up) on a jelly roll pan. Pour butter mixture over crackers. 4. Bake in preheated oven for 5 minutes. 5. Remove from oven and sprinkle chocolate chips over crackers. Bake for another 5 minutes.