2 1/2 cups (lightly packed) fresh basil leaves
1 cup mayonnaise
1/4 cup butter, room temperature
12 thick-sliced bacon strips (about 1 pound)
12 1/2-inch-thick slices fresh country-style white bread
3 large tomatoes, cut into 1/4-inch-thick rounds
2 ripe avocados, pitted, peeled, sliced
1 red onion, thinly sliced
6 lettuce leaves |