Tuna Tostadas

Yield:	8 Servings
Categories:	Tabasco

1	cn	Water-packed tuna; well drained (12 oz)
1 1/2	ts	TABASCO pepper sauce
1	lg	Tomato; seeded and chopped
1/2	c	Chopped onion
1/2	c	Finely chopped cilantro
1/4	c	Sour cream
2	tb	Fresh lime juice
3/4	ts	Salt; divided, or to taste
2	lg	Ripe avocados; halved and pitted
8		Corn tortillas*
		Vegetable cooking spray
2	oz	"queso fresco" Mexican-style cheese; crumbled (or feta)