Mixed Berry Oat Bars

INGREDIENTS

1 lb

Blueberries, fresh or frozen

1 tbsp

Lemon, zest

1 1/4 cups

Rolled oats, old-fashioned

2 tbsp

Lemon juice, freshly squeezed

3/4 tsp

Baking powder, aluminum-free

1/2 tsp

Baking soda

1 tsp

Cinnamon, ground

2 tbsp

Flour

2/3 cup

Muscovado or packed light brown sugar

3/4 tsp

Sea salt, fine grain

1 1/2 cups

Whole wheat pastry flour or white whole wheat flour

1/2 cup

Pecans

7/8 cup

Butter, unsalted