Easy Low-Carb Guacamole Tostadas

Name: Easy Low-Carb Guacamole Tostadas
Prep time: 20 min
Total time: 20 min
Cuisine: American, Mexican, Latin American
Ingredients: 4 fajita-size Mission Carb Balance whole wheat tortillas, toasted (see notes); 2 tsp. olive oil, for brushing baking sheet; 1 cup thinly sliced lettuce; 1/2 cup finely grated cheese; 2 avocados; 4 tsp. fresh-squeezed lime juice; 1/2 tsp. Green Tabasco Sauce or other hot sauce (or more if you like it spicy); 1/2 tsp. salt (I used Veg-Sal); pinch of chili powder