1 tablespoon brandy-based orange liqueur (such as Grand Marnier®)
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1 teaspoon vanilla extract
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½ teaspoon ground ginger
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½ teaspoon ground cinnamon
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1 cup all-purpose flour
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1 cup pecan pieces
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½ cup turbinado sugar
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½ cup rolled oats
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½ cup butter, cut into small pieces
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¼ cup ground flax seeds
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½ teaspoon ground cinnamon
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¼ teaspoon sea salt
Instructions
Combine apples, pears, blueberries, blackberries, agave, cornstarch, lime juice, orange liqueur, vanilla extract, ginger, and cinnamon in a slow cooker. Stir to combine.
Place flour, pecans, sugar, oats, butter, ground flax seeds, cinnamon, and salt in a bowl or resealable plastic bag. Crumble mixture with a fork, your fingers, or a pastry blender. Pour over fruit mixture in the slow cooker.
Cover and cook on Low until cooked through and top is golden, 8 hours to overnight.