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Prairie Fruit Cookbook
Things Getty Stewart Does

Rhubarb Oat Bars

My kids love these bars – soft and crumbly with just a hint of tartness from the rhubarb.

Rhubarb Oat Bars

Yield: Makes 18-24 bars

Rhubarb Oat Bars



3 cups Rhubarb, chopped

1 tbsp Lemon Juice

1/2 cup Sugar

2 tbsp Cornstarch

1 tsp Cinnamon


¾ cup Whole Wheat Flour

¾ cup All-purpose Flour

1½ cup Large Flaked Oats

½ cup Brown Sugar

½ tsp Baking Soda

¼ tsp Salt

1 tsp Cinnamon

¾ cup Butter, softened

¾ cup Icing Sugar

1- 2 tbsp Milk



In saucepan, cook rhubarb (thaw and drain frozen rhubarb) and lemon juice, stirring occasionally, until fruit is tender (8 to 12 minutes).

Mix sugar, cornstarch and cinnamon. Stir into rhubarb.

Continue cooking, stirring constantly, until mixture boils and thickens.

Remove from heat and set aside.


Preheat oven to 350?F (180?C).

Combine flours, oats, brown sugar, baking soda, salt and cinnamon.

Cut in butter until the mixture resembles coarse crumbs.

Set aside 1½ cups (375 ml) of crumbs for top.

Press remaining crumbs into bottom of 9x13 inch (23x33 cm) pan.

Spread filling evenly over crust. Sprinkle reserved crumbs on top.

Bake until golden brown, about 30 to 35 minutes.

Remove from oven and set pan on wire rack to cool completely.

Mix icing sugar and just enough milk for the glaze to flow easily.

Drizzle mixture over the cooled bars, before cutting.

Another recipe from the Prairie Fruit Cookbook now available for $19.95 plus tax and shipping.

Want to learn more about rhubarb and a list to other rhubarb recipes, check out 7 Things You Need to Know About Rhubarb.

Getty Stewart is an engaging speaker and writer providing tasty recipes, time-saving tips, and helpful kitchen ideas to make home cooking easy and enjoyable. She is a Professional Home Economist, author of Manitoba’s best-selling Prairie Fruit Cookbook, Founder of Fruit Share, mom and veggie gardener.

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