Creamy Potato Soup

• 3 Tbsps extra-virgin olive oil, divided
• 1 large white onion, chopped
• 1/2 tsp sea salt
• 4 garlic cloves, minced
• 1 Tbsp white wine vinegar
• 4 cups vegetable broth
• 1 1/2 lbs Yukon gold potatoes, about 5, chopped (peeled or unpeeled – your choice)
  
• 1 1/2 cups cooked white beans, drained and rinsed
• 1/2 teaspoon Dijon mustard
• 1 tablespoon fresh lemon juice
• 1/4 teaspoon smoked paprika
• Freshly ground black pepper

FOR SERVING optional:

• Scallions or chives
• Coconut bacon
• Greek yogurt, optional
• Cheddar cheese, optional