Raspberry-Rhubarb Slab Pie Recipe

Raspberry-Rhubarb Slab Pie Recipe Raspberry-Rhubarb Slab Pie Recipe photo by Taste of Home Rating 5

"Slab pie" is a pastry baked in a jelly roll pan and cut in slabs like a bar cookie—or a pie bar, if you will. My grandfather was a professional baker and served pieces of slab pie to his customers back in the day. Here is my spin, featuring rhubarb and gorgeous red raspberries. —Jeanne Ambrose, Milwaukee, Wisconsin

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Raspberry-Rhubarb Slab Pie Recipe
  • Prep: 30 min. + chilling Bake: 45 min. + cooling
  • Yield: 24 Servings
30 45 75

Ingredients

  • 3-1/4 cups all-purpose flour
  • 1 teaspoon salt
  • 1 cup butter
  • 3/4 cup plus 1 to 2 tablespoons 2% milk
  • 1 egg yolk
  • 2 cups sugar
  • 1/3 cup cornstarch
  • 5 cups fresh or frozen unsweetened raspberries, thawed and drained
  • 3 cups sliced fresh or frozen rhubarb, thawed and drained
  • VANILLA ICING:
  • 1-1/4 cups confectioners' sugar
  • 1/2 teaspoon vanilla extract
  • 5 to 6 teaspoons 2% milk

Directions

  • In a large bowl, combine flour and salt; cut in butter until crumbly. Whisk 3/4 cup milk and egg yolk; gradually add to flour mixture, tossing with a fork until dough forms a ball. Add additional milk, 1 tablespoon at a time, if necessary.
  • Divide dough in half so that one portion is slightly larger than the other; wrap each in plastic wrap. Refrigerate for 1 hour or until easy to handle.
  • Roll out larger portion of dough between two large sheets of lightly floured waxed paper into an 18-in. x 13-in. rectangle. Transfer to an ungreased 15-in. x 10-in. x 1-in. baking pan. Press onto the bottom and up the sides of pan; trim pastry to edges of pan.
  • In a large bowl, combine sugar and cornstarch. Add raspberries and rhubarb; toss to coat. Spoon into pastry.
  • Roll out remaining dough; place over filling. Fold bottom pastry over edge of top pastry; seal with a fork. Prick top with a fork.
  • Bake at 375° for 45-55 minutes or until golden brown. Cool completely on a wire rack.
  • For icing, combine confectioners' sugar, vanilla and enough milk to achieve a drizzling consistency; drizzle over pie. Cut pie into squares. Yield: 2 dozen.

Editor's Note: If using frozen rhubarb, measure rhubarb while still frozen, then thaw completely. Drain in a colander, but do not press liquid out.

Nutritional Facts 1 piece equals 247 calories, 8 g fat (5 g saturated fat), 29 mg cholesterol, 159 mg sodium, 42 g carbohydrate, 2 g fiber, 3 g protein.

Originally published as Raspberry-Rhubarb Slab Pie in Taste of Home April/May 2012, p40

Sweet White Wine

Enjoy this recipe with a sweet white wine such as Moscato or a sweet Riesling.

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Reviews for Raspberry-Rhubarb Slab Pie

Raspberry-Rhubarb Slab Pie Recipe

Raspberry-Rhubarb Slab Pie

Tell us what you think of this recipe.
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(11-20) of 26 reviews

Reviewed on Jun. 06, 2012 by toolbarsco

This recipe is so easy and absolutely deslicious. I've taken the bars to a couple of events and everyone wants the recipe. This is a winner!!

Reviewed on Jun. 01, 2012 by kbmst2

The bars were quite simple to make and tasted delectable!

Reviewed on May. 29, 2012 by adelle cerruti

Delicious! I used 3 cups of raspberries and two cups of strawberries, plus the rhubarb called for. I used a sl heaping !/3 cup of cornstarch.. For the crust I used the 3/4 cup milk, then add only Tbs. at a time of milk until it forms a ball. I rolled it on a floured piece of parchment a little bigger than a jelly-roll pan. You can then roll the parchment including the crust and unroll it into the pan . Do the same with the top crust. Everyone loved it!

Reviewed on May. 29, 2012 by daburgers

Made it exactly as written, was easy and delicious. It will become one of my "Signature Desserts"

Reviewed on May. 29, 2012 by sub-teacher

I am involved in a potluck twice a month, so this type of recipe is right up my alley! It is easy and quick to make, serves easily, and is great! The first time I served it to company, I didn't think they would ever stop eating it! I have made it in triple berry and loved it. Spectacular crust, too!

Reviewed on May. 26, 2012 by bakinglynn

This is FABULOUS!!!! I used Pillbury pie crusts rolled 2 together for bottom then 2 for the top. Works great!!

Reviewed on May. 26, 2012 by andrea hoke

Fabulous!! I substitued strawberries for the raspberries since I had fresh strawberries in the garden; it worked out wonderfully. I'm definitely going to make it again this summer when the red raspberries are in season! I loved the rich buttery crust and the glazing. Yum, yum, yum!

Reviewed on May. 23, 2012 by loowho88

simply awesome!

Reviewed on May. 18, 2012 by subeh

This went over sensationally at Poker club. I shared the recipe with Mom who has made 3 times in the past 3 weeks. It's great!

Reviewed on May. 16, 2012 by sassyboots0

This is Really, Really Good!!!!!

 
 
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