Heat oil in a medium sized skillet & saute vegetables & garlic till limp. In a large bowl, crumble or mash tofu. Add sauteed vegetables, yeast & salt. Pre-heat oven to 180ºC . Spread tofu mixture evenly into a 24 cm or 25 cm quiche pan. Bake for 30 to 40 minutes, till the edges start to brown. Garnish with tomatoes. "Vegetarian Times" March, 1992