Smokey Butter Bean Dip and the Best Picnic Sandwich - Good Eatings

Ingredients

• sundried tomatoes
• 2 tbsp tahini
• 1 1/2 tsp smoked paprika powder
• 1/2 tsp cumin powder
• 1 tsp nutritional yeast
• Salt and pepper
• Extra virgin olive oil for drizzling, optional
• 3 medium brown onions, sliced into half moons
• 2 tbsp olive oil
• 1-2 tbsp balsamic vinegar
• 1 tbsp coconut sugar
• 4 slices sourdough bread (or some gluten-free bread)
• 1/2 cup smokey butter bean houmous
• 1 gem lettuce head (or butter lettuce), bottom cut off
• 1 tomato, sliced