Slow Cooker Potato Stew | The Little Potato Company

Ingredients

• 1 Tbsp vegetable oil
• 1 red onion, chopped
• 4 celery stalks, cut into 1/4-inch pieces
• 3 carrots, cut into 1/4-inch pieces
• 8 oz cremini mushrooms, quartered
• 3 cloves garlic, diced
• 3 lbs little potatoes, halved
• (To taste) salt and pepper
• 1/2 Tbsp thyme, chopped
• 1/2 Tbsp rosemary, chopped
• 3 1/2 cups vegetable stock
• 1/4 cup soy sauce
• 1 Tbsp tomato paste
• 1/2 tsp cumin
• 1/4 tsp smoked paprika
• 1 pinch chili flakes
• 4 Tbsp butter, divided
• 4 cups milk
• 1 head garlic, roasted
• 2 sprigs rosemary leaves, coarsely chopped
• 1 cup instant polenta