8 thick slices slab bacon
1/2 cup mayonnaise
1 to 2 tablespoons lemon juice
1/2 teaspoon minced garlic
Pinch turmeric
1/4 teaspoon ground cumin
Salt and freshly ground black pepper
6 slices brioche or egg bread or good quality multi-grain bread
8 ounces fresh tuna
1/2 cup julienned roasted red or yellow bell peppers (fresh or from jar)
2 cups washed and dried fresh arugula leaves