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                        Ingredients
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                        Amt.
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                        Measure
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                        Ingredient
                       |   |   |   |  12    | noodles | lasagna noodles   |  2    | teaspoons | olive oil   |  12    | ounces | Mushrooms, portabella, raw   |  1/2  | teaspoon | salt   |  15    | ounces | ricotta cheese   |  1    | package (10 oz) | Spinach, frozen, chopped, thawed and well drained   |  1    | large | eggs   |  1/8  | teaspoon | nutmeg, dash   |  1/4  | cup | grated parmesan   |  3    | ounces | shredded mozzarella cheese   |  1    | tablespoon | olive oil   |  1    | medium (2-1/2" dia) | Onion, chopped   |  2    | cloves | garlic, chopped   |  2    | cans  (28 fl oz) | tomatoes canned, diced   |  1    | can (6 oz) | tomato paste   |  1    | teaspoon | oregano   |  1    | leaf | bay leaf   |  1    | pound | Beef, ground, 90% lean meat, browned   |  
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                        Steps
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                        Sequence
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                        Step
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  |  | 1 | Sauce: In a large pot, heat the oil over medium heat. Add the onion and cook, stirring occasionally, until soft, about 5 minutes. Add garlic and cook for 2 minutes longer. Add the remaining ingredients and cook,uncovered, stirrig occasionally until thickened, about 30 minutes. Season with salt and pepper to taste.  Add crumbled and rinsed ground sirloin |  | 2 | Cook the noodles al dente accordint to the directions on the package. Drain them well and spread them out onto aluminum foil or waxed paper to prevent them from sticking. |  | 3 | Heat the 2 tsp oil in a large saute pan over medium-high heat.  Add the mushrooms and cook, stirring occasionally, until browned and all the liquid has evaporated, about 5 minutes.  Season with 1/4 tsp of salt.  Stir in 1 1/2 cups of the tomato sauce and simmer for 2 minutes.  In a medium bowl, comine the ricotta cheese, spinach, egg, the remaining salt, pepper and nutmeg. |  | 4 | Spread 2 cup of tomato sauce on the bottom of a 9x12 baking dish.  Spread about 2 tablespoons of the ricotta mixture onto a lasagna noodle.  Top with about 1 1/2 tablespoons of the mushroom mixture, roll the noodle and place it into the baking dish.  Repeat with the remianing noodles.  Spread the remaining 1 1/2 c. sauc over the lasagna rolls.  Top with grated cheeses, cover lossely with foil and bake for 45 minutes.  Uncover and bake for 15 minutes more. |  
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