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Fiber-Boosted Fudgy Brownies – A Monday Craving Fix With a Fibermaxxing Twist

Dense, fudgy chocolate brownies boosted with pureed white beans, flaxseed, and oat fiber — no bean taste, no dry crumb.

Ingredients

Scale
  • 1 (15 oz) can white beans (cannellini or great northern), drained and rinsed
  • 3 large eggs
  • 1/3 cup melted coconut oil or butter
  • 1 cup coconut sugar or brown sugar
  • 1 tsp vanilla extract
  • 3/4 cup unsweetened cocoa powder
  • 1/3 cup ground flaxseed meal
  • 2 tbsp oat fiber or wheat bran
  • 1/2 tsp espresso powder
  • 1/2 tsp baking powder
  • 1/2 tsp fine salt
  • 5 oz dark chocolate (70%+), chopped into chunks

Instructions

  1. Preheat oven to 350°F (175°C) and line an 8×8-inch pan with parchment, leaving overhang on two sides.
  2. In a food processor, blend the white beans until completely smooth with no visible flecks, scraping down the sides at least once.
  3. Add the eggs, melted coconut oil, sugar, and vanilla to the processor and blend until fully combined and glossy.
  4. In a separate bowl, whisk together the cocoa powder, flaxseed meal, oat fiber, espresso powder, baking powder, and salt.
  5. Fold the dry mixture into the bean batter just until no dry streaks remain — do not overmix.
  6. Fold in two-thirds of the chopped chocolate, then pour the batter into the pan and scatter the remaining chocolate on top.
  7. Bake for 26–30 minutes, until the edges look set and a toothpick in the center comes out with a few moist crumbs, not wet batter and not clean.
  8. Cool completely in the pan — at least 1 hour — before lifting out and slicing, or the center will be too soft to cut cleanly.

Notes

Under-blended beans are the #1 cause of a gritty or ‘bean-y" brownie — process until completely smooth before adding anything else. Pull the pan while the center still looks slightly underdone; fiber keeps absorbing moisture as the brownies cool, so an ‘underbaked" toothpick reading is what gets you fudgy instead of dry. No oat fiber on hand — wheat bran or an extra tablespoon of flaxseed meal works as a substitute. Store airtight at room temperature for 3 days or refrigerate up to a week; they slice cleanest cold.