Slow-Cooker Sweet Potatoes with Bacon

Ingredients

• 3 cooked bacon slices, crumbled
• 2 garlic cloves, minced
• 1 cup orange zest
• 1/2 cup loosely packed fresh flat-leaf parsley leaves, finely chopped
• 1 tbsp. cold water
• 2 tsp. cornstarch
• 2 tsp. chopped fresh rosemary
• 2 tsp. kosher salt
• 3 tbsp. light brown sugar
• 4 tbsp. butter, melted
• 1/2 cup frozen orange juice concentrate, thawed
• 4 pounds slender sweet potatoes, peeled and cut into 1-inch-thick slices