Spicy Chipotle Sweet Potato Soup

Ingredients

• , ½ cup (125 mL) ,roasted peanuts, chopped
• , 2 tbsp (30 mL) ,butter
• , 2 ,onions, diced
• , 3 ,garlic cloves, minced
• , 1 tbsp (15 mL) ,ginger, grated
• , 2 tsp (10 mL) ,minced chipotle pepper
• , 2 tbsp (30 mL) ,tomato paste
• , 5 cups (1.25 L) ,diced, peeled sweet potatoes or butternut squash
• , 1 ,baking potato, peeled and diced
• , 4 to 6 cups (1 to 1.5 L) ,chicken or vegetable broth
• , ⅔ cup (150 mL) ,sour cream
• , 1 ,ripe avocado, diced