Blueberry Oatmeal Bars

I've always believed in the power of simple pleasures, and nothing proves my point quite like blueberry oatmeal bars. Every bite of these easy oatmeal bars unlocks a world where juicy blueberries meet a crumbly mixture, creating an irresistible blend. These bars are a canvas for the natural sugars and blueberry flavor to shine. These delicious bars indulge your sweet tooth making them a favorite no matter the time of year or occasion. 

The Simplicity of Ingredients

These easy oatmeal bars have juicy blueberries, a smidgen of lemon juice. , and a touch of vanilla extract. The great thing about blueberries, unlike other fruits you might pick for a recipe, is their readiness. No slicing, dicing, or pre-cooking required. They're perfect for tossing in, fresh from your grocery store or, if you're lucky, your own blueberry picking adventure. The addition of all-purpose flour and melted butter binds everything together, creating a crumbly mixture that crisps beautifully in the oven. Imagine pulling these blueberry oatmeal bars out, the scent of cooked berries mingling with a hint of lemon zest wafting through your kitchen. Now that's a simple pleasure. 

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Ingredients

Hands holding a linen cloth filled with fresh blueberries.
  • all-purpose flour
  • quick-cooking oats
  •  white sugar 
  • baking powder
  • salted butter
  • cream cheese
  • large eggs
  • fresh lemon juice
  • vanilla extract
  • fresh blueberries
  • Garnish: Confectioner's Sugar

See recipe card for quantities.

Instructions

  1. Preheat oven to 375 degrees. Grease and flour a 13 x 9-inch baking dish and set aside.
  1. In a large bowl, toss together flour, oats, sugar, baking powder, and butter. Lightly press oatmeal crumble into the bottom of prepared dish. Bake until crust begins to brown around edges, approximately 15 minutes. Let cool for 30 minutes on a wire rack.
  1. Reduce oven temperature to 325 degrees.
  1. In a large mixing bowl, beat cream cheese at medium speed with an electric mixer until creamy. Add remaining sugar and remaining flour; beat until blended. Add eggs, one at a time, beating just until blended. Add lemon juice and vanilla. Spread blueberries over cooled crust; pour cream cheese mixture over blueberries.

5. Bake until a knife inserted 1 inch from the edge of baking dish comes out clean and the center feels firm when lightly touched, approximately 40 minutes. Let cool to room temperature for approximately 2 hours on a wire rack.

6. Cover and refrigerate until thoroughly chilled, approximately 3 hours. Cut into squares. Garnish with confectioners' sugar just before serving, if desired.

Equipment

Equipment can have a big impact on how a recipe turns out. Stone bakeware takes longer to heat up than metal pans, and also retain heat for longer, which could make the recipe more watery, or burnt on the outsides.

Tell your visitors what equipment you use and how to adjust the recipe if they use something different, and link to your affiliate link to purchase the equipment.

Storage

Store the wet ingredients (lettuce, tomato, onion) separately from the dry ingredients (buns) in the fridge, and recombine when ready. Good for 2-3 days.

These ingredients do/don't stand up well to freezing for X days/weeks/months.

Top tip

Share something here that you think is key to making this recipe well, such as: Don't overcook the burgers! Sear the outside and cook to a minimum internal temperature, but they should still be juicy for best results.

Looking for other recipes like this? Try these:

📖 Recipe

Lemon Blueberry Oatmeal Bars

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Ingredients

  • 1 ¼ cups plus 2 tablespoons all-purpose flour divided
  • 1 cup quick-cooking oats
  • 1 ⅔ cups sugar divided
  • ¾ teaspoon baking powder
  • cup salted butter melted
  • 2 {8-ounce} packages cream cheese softened
  • 4 large eggs
  • 1 tablespoon fresh lemon juice
  • ½ teaspoon vanilla extract
  • 2 cups fresh blueberries
  • Garnish: Confectioner's Sugar

Instructions

  • Preheat oven to 375 degrees. Grease and flour a 13 x 9-inch baking dish and set aside.
  • In a large bowl, toss together 1 ¼ cups flour, oats, ⅔ cup sugar, baking powder, and butter. Lightly press oat mixture into the bottom of prepared dish. Bake until crust begins to brown around edges, approximately 15 minutes. Let cool for 30 minutes on a wire rack.
  • Reduce oven temperature to 325 degrees.
  • In a large bowl, beat cream cheese at medium speed with an electric mixer until creamy. Add remaining 1 cup sugar and remaining 2 tablespoons flour; beat until blended. Add eggs, one at a time, beating just until blended. Add lemon juice and vanilla. Spread blueberries over cooled crust; pour cream cheese mixture over blueberries.
  • Bake until a knife inserted 1 inch from the edge of baking dish comes out clean and the center feels firm when lightly touched, approximately 40 minutes. Let cool for 2 hours on a wire rack.
  • Cover and refrigerate until thoroughly chilled, approximately 3 hours. Cut into squares. Garnish with confectioners' sugar just before serving, if desired.

As with any of my recipes, calorie counts and nutritional information varies greatly depending on which products you choose to use when cooking this dish.

Calories:
Author: Mary Beth
Signature Block - with photo of Mary Beth, your homemaking coach, and a pink stand mixer

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3 Comments

  1. Oh my! Pinned! I am actually drooling! I love blueberries and oatmeal! I was getting ready to do laundry and mop, but now I am going to bake (and eat) instead! 😉 Thanks for the yummy distraction!

    1. Mary Beth says:

      Thanks so much for your sweet comment, Kim! Definitely bake first and do housework later. 😉

      Hugs,
      Mary Beth

  2. Nancy @ Artsy Chicks Rule says:

    These look fabulous! I love anything with lemons and blueberries too. Two of my favorite things. 🙂