Slow Cooker Peach Cobbler

Peach Base:

• 8 cups sliced peaches (skin left on) approx. 8 medium sized peaches
• 2 tbsp brown sugar
• 1 medium lemon, zest and juice about 3-4 tbsp lemon juice and 2 tsp lemon zest

Cake Topping:

• 1 1/2 cups all-purpose flour
• 1 cup brown sugar
• 2 tsp baking powder
• 1 pinch kosher salt
• 1/2 cup (1 stick) unsalted butter, melted
• 3/4 cup milk (whole or 2% preferred)