Cheeseless Black Bean Lasagna

Place tofu between 4 paper towel sheets. Place heavy skilley on top for 1 hour, pressing down on tofu. Meanwhile, preheat oven to 375 degrees F. Into 4-quart saucepot, stir black baens, tomatoes, tomato paste, water, onion, oregano, garlic powder, 2 teaspoon. salt, and 1/2 teaspoon pepper. Heat to boiling on medium-high, stirring often. Reduce head to maintain simmer; simmer, uncovered, 30 minutes, stirring occasionally. While sauce cooks, in food processor, pulse cashews until finely ground; transfer to large bowl, along with pressed tofu. With hands, crumble tofu until texture resembles ricotta cheese. Stir in yeast (if using), olive oil, basil, 1/4 teaspoon salt, and 1/8 teaspoon pepper. In 13- by 9-inch glass or ceramic baking dish, spread 1 cup tomato sauce and tofu mixture; repeat layering twice. Top with 1 cup sauce. Spread sauce to completely cover noodles. Bake, uncovered, 40 minutes or until noodles are tender. Let stand 15 minutes before serving.