Grilled bean tostadas – Belles Combines

Ingredients

• 6 toasts
• 1 tsp (5 ml) cumin seeds
• 2 tbsp (30 ml) olive oil
• 2 cans black beans, rinsed and drained
• 1 red onion, finely chopped
• 3 cloves garlic, chopped
• 1 tsp (5 ml) or more to taste, sriracha sauce
• Trim : 2 cups (500 ml) chopped iceberg lettuce
• ½ cup (125 ml) sour cream