Step 1

Heat canola oil in a heavy skillet. Place tortillas carefully into the hot oil, one at a time, and fry for 20 to 40 seconds on each side or until lightly crisp and golden. Drain on paper towels.

Step 2

Heat olive oil in a saucepan and sauté onions, for 3 minutes.

Step 3

Add tomatoes and chile, and sauté for an additional 3 minutes. Add chicken broth, stir everything together, and bring to a simmer. Continue to cook until most of the liquid has been absorbed, about 7 to 10 minutes.

Step 4

To assemble, place a tostada (fried tortilla) on a serving plate; spoon on some refried beans, top with cooked egg (any style), cooked salsa, and sprinkle with queso fresco.

Step 5

Continue with the remaining servings and serve warm.