Stewed Sweet Potato Beans with Caramelized Onions | Savory

Ingredients

• 3 tbsp olive oil, divided
• 2 yellow onions, sliced
• 2 sweet potatoes, peeled and chopped
• 3 cloves garlic, sliced
• 1/4 tsp crushed red pepper
• 3 cups low-sodium vegetable broth
• 1 (16 oz) can butter beans, drained and rinsed
• 1/4 cup grated Parmesan
• 1 lemon
• 4 slices sourdough bread, toasted
• Plain low-fat yogurt, to serve
• Fresh basil
• Fresh oregano