Blackberry Sesame Salad

1 (500g) head lettuce
1 medium tomato
1.5 cups blackberries
2 tbsp raw, mechanically hulled tahini

1. Finely chop the lettuce into a large bowl
2. Slice the tomato into wedges
3. Toss the tomato with the lettuce
4. Dress with a blend of blackberries and tahini