Green Pea Soup

Ingredients (for 4 servings)

• 1 tbsp — olive oil • 1 medium onion, chopped • 3 garlic cloves, minced • 4 cups frozen green peas • 3 cups vegetable broth • 1 medium potato, peeled and cubed • 1/2 tsp salt, or to taste • 1/4 tsp black pepper • 1 tbsp lemon juice • 1/4 cup fresh mint leaves