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Oatmeal Peanut Butter & Jelly Bars

If you love a peanut butter & jelly sandwich you are going to love these easy peanut butter cookie bars. The addition of oatmeal gives these bars great texture and the jam layer makes this sweet treat a family favorite!

Peanut butter and jelly was my favorite childhood sandwich. I lived on them when I was pregnant for our first child. Is it crazy to say they are still one of my comfort foods? My favorite is crunchy peanut butter with strawberry preserves on soft wheat bread. In the shower today, I guesstimated, that I have made somewhere in the vicinity of 300 peanut butter and jelly sandwiches for lunches this school year!  That does not include the peanut butter that is eaten on toast, waffles, bagels, and plopped in smoothies, or used in savory dishes like Chicken Satay.  This family puts down the smashed peanuts! So it’s no surprise that these peanut butter and jelly bars don’t last long around here.

  • butter
  • brown sugar
  • peanut butter
  • all purpose flour
  • old fashioned oatmeal
  • baking powder
  • salt
  • jam or preserves

These bars are so quick and easy to make, a few simple ingredients is all that’s needed. As you know peanut butter comes in many forms, as does jam and preserves. I have used just about every variety of peanut butter; all natural peanut butter, creamy peanut butter (like JIF), and crunchy or chunky peanut butter and they all work equally well. As far as the jam layer goes strawberry jam is our favorite jam. Use whatever your favorite may be; grape jelly, peach or raspberry preserves; they all work perfectly.

These bars are ooey gooey and delicious! That is why it’s best to line the bottom of the pan with parchment paper so you can lift them right out, and cut them into perfect to handle squares. If you do not have parchment then make sure that you spray the baking dish with nonstick spray. I like to wrap these in individually in plastic wrap and freezer them for lunches or be sure to store in an airtight container.

Add butter, peanut butter, and brown sugar to your bowl (or the bowl of an electric mixer using paddle attachment), cream ingredients together until light and fluffy. Add dry ingredients to the butter mixture. Mix until just combined, scrape bottom of bowl to make sure everything is incorporated.

Press 2/3 of the cookie dough into parchment lined pan and spread jam in an even layer over bottom crust. Ignore this photo, I had not learned the parchment paper trick yet, new photo needs to be taken asap!

Break the remaining dough into small pieces and drob over the jelly layer.  That’s it!  So easy.  Now pop in a preheated 350 degree oven and bake for 40 minutes. ** If you want to add an extra crunch layer you can sprinkle an 1/2 cup of chopped peanuts over the top before baking.

baked peanut butter and jelly bars on parchment paper the corner square is on a spatuala

Like peanut butter and jelly sandwiches in bar form these peanut butter jelly bars make the perfect after school snack. I love to have one with my midday cup of coffee! Don’t forget to show the love by giving me all the stars in the recipe card and sharing on your socials! XO  Enjoy! Sheila

peanut butter and jelly oatmeal bar lifted up by a spatula with pan of bars in the background

Oatmeal Peanut Butter and Jelly Bars

Sheila
Imagine the best peanut butter and jelly sandwich in the form of scrumptious cookie bar. These peanut butter bars are so addictive you will want to make a double batch!
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Prep Time 15 minutes
Cook Time 40 minutes
Total Time 1 hour
Course accompaniments, baked goods, cookies
Cuisine American, baked goods, Dessert
Servings 9 bars
Calories 497 kcal

Equipment

  • 8×8 cake pan

Ingredients
  

  • 3/4 cup butter cut into pieces
  • 1 cup packed brown sugar
  • 1 cup peanut butter
  • 1 1/2 cups flour
  • 1 1/2 cups old fashioned oatmeal
  • 1/2 tsp baking powder
  • 1/2 tsp salt
  • 1 cup fruit jam, jelly, or preserves any flavor you like
  • 1/2 cup (optional) chopped salted peanuts

Instructions
 

  • Preheat oven to 350 degrees and line an 8×8 baking pan with parchment paper. Or grease with butter pan well.
  • In the bowl of electric mixer blend butter and brown sugar with paddle attachment until smooth and fluffy.
  • Add peanut butter to butter and sugar and mix until fluffy.
  • Measure flour, oatmeal, baking powder, and salt into a bowl toss together, then gradually add to the wet ingredient. When combined, scrape down sides of bowl.
  • Scoop 2/3 of the cookie dough into prepared pan, press down into a smooth even layer.
  • Spread an even layer of fruit jam over cookie layer. Dollop pieces of the remaining cookie dough over jam. Place in oven and bake for 40 minutes.
    ** sprinkle with chopped peanuts if you like

Notes

These cookie bars can be made with crunchy or creamy peanut butter. 
Use whatever your favorite fruit jam/ jelly/ preserves are.
You can also chop 1/2 cup of salted peanuts and sprinkle them over the top before baking to add extra crunch and flavor. 
Double recipe use a 9×13 inch pan.  
Store: in an airtight container or wrap individually in plastic wrap and freeze or refrigerate. 

Nutrition

Serving: 9piecesCalories: 497kcalCarbohydrates: 52gProtein: 12gFat: 19gSaturated Fat: 6gPolyunsaturated Fat: 0.4gMonounsaturated Fat: 1gSodium: 251mgPotassium: 168mgFiber: 3gSugar: 56gCalcium: 46mgIron: 1mg
Keyword cookie bar, cookies, jam, oatmeal, pbj, peanut butter, peanut butter and jelly, preserves
Tried this recipe?Mention @eat2gather or tag #eat2gather!




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13 Comments

  1. I just found your site through the Pioneer Woman Giveaway shin-dig and I am in love. This recipe actually looks a lot like one of my favorite PW recipes: Creamy Lemon Crumble Bars. As PB&J’s are seriously one of my favorite foods (sad but true for a food blogger haha) I HAVE to make these!

  2. Thank you for this recipe. : ) I used 1 1/2 sticks of butter, like commenter Bobbie. Next time I’ll use 1 cup of strawberry jam for the jam/jelly layer. I used orange marmalade that I had on hand–probably not the best flavor combination but still good.

  3. I couldnt wait. making them tonight. is the butter right? 1 3/4 cup butter? 3 1/2 sticks of butter? That just seems like a whole lot for this?!

      1. Thanks! I thought it couldnt be 1 3/4 cups. Last night I made them with 1 1/2 stick butter and they were delicious! Cut some up and packaged for a friend and ate some myself for breakfast and after lunch snack. Cant stay out of them!!

  4. Its un-natural how much I love peanut butter. Im on the schedule to bring food to a family at church next Friday. These will betucked in with the beef stew.

  5. Okay that first picture made me laugh! My daughter eats that same sandwich every Every EVERY single day in her lunch. No joke. Will not touch lunchmeat of any kind. So you know I’ve gotta make these pb&j bars for her!!!! Can’t wait. She will love you for this recipe!