Step 1

Preheat oven to 350°.

Step 2

In a mixing bowl, cream butter and sugar. Add eggs and vanilla. Scrape the sides of the bowl and beat well.

Step 3

Add the flour, baking powder, and salt and mix to combine.

Step 4

Spread the cake batter into a greased 9 x 13" baking pan.

Step 5

Bake at 350° for 15 - 18 minutes until a toothpick comes out with only a few crumbs.

Step 6

Remove from the oven and spread marshmallows over the top. Return to the oven and bake for an additional 2 minutes.

Step 7

Cool.

Step 8

Melt chocolate chips over low heat. Or you can melt them in the microwave at 30 second intervals.

Step 9

Add peanut butter and stir until creamy, then stir in the Rice Krispies.

Step 10

Spread the chocolate layer over top of the cooled marshmallows and set in the refrigerator to chill.

Step 11

Cut into squares and enjoy.

Step 12

Store bars in an airtight container in a cool place or in the refrigerator. These bars can also be frozen to keep them fresh longer.