Decadent Mushroom Soup Au Gratin – Astro

Ingredients

• 1 pkg (14 g) dried porcini mushrooms
• 1 cup (250mL) warm water
• 1/2 cup (125mL) Lactantia® unsalted butter, divided
• 2 leeks, white and light green parts only, roughly chopped
• 1 small onion, diced
• 2 tsp (10mL) dried herbs de Provence
• 16 oz (500g) cremini mushrooms, sliced
• 7 oz (200g) shitake mushrooms, stems removed, sliced
• 2 cups (500mL) dry white wine
• 4 cups (1 L) chicken or vegetable broth
• 1 container (500g) Astro® Original Balkan Plain 2%
• Salt and freshly cracked pepper to taste
• 8 1/2 inch (1 cm) thick slices of baguette
• 5 oz (150g) gruyere cheese, grated