Peanut Butter Sandwich Cookies

I wanted to make some sort of peanut butter cookies for our beer pong finals. I think the saltiness of the peanut butter goes really well with beer πŸ™‚ The cookies themselves actually have no peanut butter in them, but the filling does so it fits the bill. I made a double batch and got 2.5 dozen cookie sandwiches.

Peanut Butter Sandwich Cookies – from Fresh from Cate’s Kitchen
1 1/2 cups flour
1/2 tsp baking soda
1/2 tsp cinnamon
1 cup quick oats
1 cup light brown sugar
1 stick butter, softened
1 large egg
1 tsp vanilla

Whisk together flour, baking soda, cinnamon, and oats in a medium bowl.

In a separate bowl, cream the butter and brown sugar until fluffy.

Beat in vanilla and egg, then stir in dry ingredients until just combined.

Roll about 2 tsp of dough into a ball, then flatten and press onto a Silpat-lined baking sheet.

Repeat with remaining dough.

Bake at 350 for 8-12 minutes (closer to 8 for softer cookies, closer to 12 for crisper cookies).

Cool on a wire rack.

Filling3/4 cup creamy peanut butter
1/4 cup butter, softened
2 tbsp half and half – I used goat’s milk
1 tsp vanilla
1 1/2 cups powdered sugar

Beat all ingredients together in the bowl of an electric mixer until smooth.

When cookies are cool, pipe or spread frosting on one and press another on top to make a sandwich.

Note – My frosting was very thick so I ended up double the amount of liquid by adding more milk. You will have some extra frosting. But it’s amazing so no big deal there.

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21 Responses to “Layered Marshmallow Brownies”

  1. #
    1
    Xiaolu — March 3, 2010 at 1:24 pm

    Oh these look so yummy! Love the crackly looking top.

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    2
    yumventures — March 3, 2010 at 1:59 pm

    They look soooo good! Thanks for the tip about the sweetness factor…I love having a little bite of something completely decadent!

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    3
    KRISTINA CIPOLLA PHOTOGRAPHY — March 3, 2010 at 3:15 pm

    AH…these look heavenly….mmm…thanks for sharing! πŸ™‚

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    4
    bakingblonde — March 3, 2010 at 3:18 pm

    Wow, those look great! I love those

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    5
    KV — March 3, 2010 at 4:42 pm

    I’m not sure it is possible to be “too sweet” but these look very good!

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    6
    Miss Yunks — March 3, 2010 at 6:18 pm

    These looks so good! Can’t wait to try!

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    7
    MemΓ³ria — March 3, 2010 at 6:26 pm

    I’m not crazy about marshmallows, but these brownies look amazing!!

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    8
    Justin — March 3, 2010 at 6:26 pm

    “nice and thick”… wow, you aren’t kidding. that was a bold move switching the pan though. glad it worked out in the end.

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    9
    Kristen — March 3, 2010 at 10:20 pm

    MMMMMMM those sound awesome!!

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    10
    Candi — March 3, 2010 at 10:26 pm

    oh my word! those look delicious!

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    11
    CB — March 3, 2010 at 10:38 pm

    I can’t stop looking at your picture. I think that means I need to make these brownies. I’m not sure if I should thank you for shake my fist at you πŸ˜›

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    12
    Brisbane Baker — March 4, 2010 at 12:14 am

    Blaspemy!! Nothing is TOO sweet πŸ™‚

    I love these! Might give em a go when a occasion comes up πŸ˜€

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    Brisbane Baker — March 4, 2010 at 12:17 am

    This comment has been removed by the author.

  14. #
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    nutmegnanny — March 4, 2010 at 9:44 pm

    These look awesome! I would love to have one of these sitting in my kitchen right now πŸ™‚

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    Ashley — March 4, 2010 at 11:08 pm

    These look AMAZING! I feel like I need to go to the gym just looking at them. πŸ™‚

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    Erin — March 5, 2010 at 2:57 am

    These look delicious! I love anything with marshmallows!

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    17
    Kat — March 5, 2010 at 3:39 am

    I wish I could reach through the computer and grab these! They look awesome!!

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    Ingrid — March 6, 2010 at 6:52 pm

    I make something similar but cheat and use a boxed brownie mix. The frosting I use doesn’t have marshmallows in it which helps with the sweet factor.

    That’s a great idea baking these in a smaller pan. I would prefer the brownie part a bit thicker.
    ~ingrid

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    19
    Jes — March 11, 2010 at 5:50 am

    Um…I guess I didn’t let my icing cool enough and it melted the marshmallow completely…it looked like Mt. Vesuvius erupted on my counter ha ha! I wish I could post a picture! They still tasted yummy though =)

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    20
    Caryn — April 17, 2013 at 7:28 pm

    I made these, but the chocolate topping turned out not great, not dissolved and gritty. – I think you mean “icing sugar” don’t you, when you say sugar for the frosting?

    • beantownbaker — April 18th, 2013 @ 11:28 am

      I used granulated sugar for the frosting. When it is cooking on the stove, it should completely dissolve the sugar.

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