Ingredients:
1. Peanut butter : 1 cup
2. Semi-sweet chocolate chips: 1 1/2 cup
3. Confectioners’ sugar : 2 cups
4. Butter/margarine (melted): 1 cup
5. Cracker crumbs : 2 cups
Preparation method:
1. Take a bowl and put butter/margarine, sugar, cracker crumbs in it. Blend all the ingredients well
2. Take an ungreased pan and pour the batter into it, and press the batter evenly to the bottom 
3. Now a take a microwave bowl and put chocolate chips and peanut butter into it. Now melt these ingredients in the microwave stirring occasionally till they turn into a smooth paste
4. You can also melt the chocolate chips with peanut butter by putting them into a metal bowl over simmering water
5. Now spread this melted chocolate and peanut butter mixture over the prepared crust and refrigerate for 1 to 2 hours or till it is ready.
6. Once the mixture is done, take out from the refrigerator and cut into square pieces.
7. And the yummy bars are ready to serve!