Mahonia & Lavender Oat Bars: Berry Delicious!

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You may not have heard of Mahonia berries but I know you’d love them – and they’re likely growing near you. Mahonia japonica and Mahonia bealei are both extremely common ornamental shrubs found in a wide variety of urban spaces – and in early July both are laden with deep blue dusky berries hanging in fat grape-like clusters. These berries are sweet, juicy delights and they make the perfect tart compliment for these buttery crisp oat bars. I added chopped walnuts for extra protein and crunch! 

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These shrubs are a relative to our native Oregon grape (in the Berberidaceae family) and come from either China, Taiwan the Himalayas – no one seems quite sure. But its berries are sweeter & juicier with none of the bitterness of Oregon grape. Plus it doesn’t have the large pit-like seeds of the Oregon grape berry, which means you can use the whole berry in baking and desserts without any sieving.  

Both of these plants are virtually identical in appearance. They are winter flowering shrubs so you’ve also probably noticed their long sprays of yellow blooms very early in spring. They have a beautiful honey-like fragrance and I like to pick and dry them for teas. They can grow very tall, up to 8-9 feet, and their large sharp holly-like leaves vary from light to dark green. Stems can be purplish red in colour – or not.  Right now they should be literally dripping with berries. I’ve watched for several years and don’t think they’re eaten by birds or other animals, they just shrivel and fall off the branches. So now is the time to harvest, but be warned – the berries will stain your fingers and hands bright pink when you pick them -so don’t go anywhere fancy after. 

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I’m not sure of their nutritional or medicinal value, very little has been written about them that I can find, but several sources suggest they are helpful for both digestion and the liver.  But I’m assuming, like so many dark blue berries, they are full of all kinds of vitamins and inflammation-fighting anti-oxidants.

I use Mahonia berries in jams, pies, tarts and pink lemonade. One of my favourite ways to use them is in syrups flavoured with rose petals and lavender – lovely to pour into chilled Prosecco.  Another super easy way to serve them is in a mousse-like whip, made by simply whipping the cooked berries, sugar (and just a little dash of cornstarch or xanthan gum) together in a food processor. Absolutely delicious! And just recently I made a delicious Mahonia Berry & Lavender Cheesecake – divine. (Recipes for the syrup, mousse and cheesecake can be found in the July edition of Gather’s Monthly Almanac of Seasonal Wildcrafting and Herbal Cookery for Gather Patrons)

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Mahonia Berry Syrup w/ rose & lavender
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Mahonia Berry Whip w/ Bubert Pudding
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Mahonia Berry Rose Cheesecake

I guess you can tell I’m quite fond of combining lavender & rose with these berries. Honeysuckle blossoms are also nice, but I can never get enough blossoms and I use the ones I have in my honeysuckle extract. But on to the recipe at hand! Not much to say, except that is extremely easy to make. You just start with a simple flour and oat dough, press 3/4 of it firmly into the bottom of a pan, put the cooked berries in the middle, then crumble the rest of the dough on top. Well, there a few more steps – but you get the idea! You could do a non-gluten version with oat flour, or a vegan one with coconut oil. Just search for recipes online – there are plenty.  I hope you enjoy getting to know the Mahonia berry! 

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Mahonia Berry Oat Bars

 1 dozen large bars or 24 smaller squares

Ingredients

  • 1 & 1/2 cups flour
  • 1 & 3/4 cups rolled oats 
  • 1/2 cup chopped walnuts
  • 1 cup melted butter
  • 1 cup packed dark brown sugar or coconut sugar
  • 1 teaspoon baking powder
  • ½ teaspoon fine sea salt
  • 1 teaspoon vanilla

Berry topping:

  • 2½ cups Mahonia Berries
  • 1 cup granulated sugar
  • ¼ cup water
  • 4 tsp. cornstarch or xantham gum
  • two teaspoons grated orange or lemon zest
  • two whole lavender buds

Directions

  • Preheat the oven to 350 degrees. Line an 8 or 9-inch baking pan with parchment paper, allowing the paper to overhang on the sides for easy removal.
  • In a large bowl, add the dry ingredients and stir until combined. Add melted butter and work through dough until crumbly. Press 3/4 of this mixture into the bottom of your baking pan very firmly. Bake crust for 10 minutes. Remove from oven.
  • In a small pot, add the berries, sugar, lavender and orange zest. Cook for 15 minutes on low heat until the berries pop open. Let cool 5 minutes. Fish out the lavender buds. Pour the berry mixture on top of the crust.
  •  Sprinkle the remaining crust mixture on top of the berry layer.
  • Bake in the preheated oven for 30 to 40 minutes until golden. Cool completely in pan.
  • Using paper overhang, carefully remove shortbread from pan; place on cutting board. Cut into 4 quarters; cut each quarter in half, then in half again, until you get the desired size/ amount of squares.

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P.S.  The Mahonia is pretty easy to identify but please remember if you are not 110% sure that you’ve got the Mahonia berry – don’t eat it!!!

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Whether its through wildcrafting, plant medicine, kitchen witchery or seasonal celebrations, I believe we can enhance personal, community and planetary well-being by connecting with mother nature!

2 thoughts on “Mahonia & Lavender Oat Bars: Berry Delicious!

  1. A giant variety grows outside my door and now that I know this one is pit free I’m off to harvest the berries. I love the low to the ground mahonia too, but pretty much left the berries alone because of the pits and all the processing required. Thanks Danielle

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