After making the bechamel sauce, add a few cups of cheddar cheese, whisking until it is melted. Pour the cheese over cooked macaroni noodles, then transfer to a baking dish. Top with more shredded cheese and bake in the oven until the top is bubbly and brown. Pour the bechamel sauce over thinly sliced potatoes and diced green onions in a baking dish. Top with grated Parmesan cheese. Bake in the oven until the potatoes are crispy and the sauce and cheese are bubbling. Mix the bechamel sauce with beaten eggs, cheese and spices. Pour into a souffle dish and bake until the top browns and puffs.
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One-sentence summary -- Make macaroni and cheese. Make potato gratin. Make a cheese souffle.

Scrub the stain using a sponge. An ordinary bathroom sponge should not be abrasive enough to scratch tile, but proceed cautiously and test in an inconspicuous spot. Rinse all of the scouring agent off with clean water when done. You may also make your own tile and grout cleaner by mixing cup baking soda, 1/3 cup ammonia, cup white vinegar, and seven cups of water. Combine in a spray bottle, mix thoroughly, and spray onto the stained area. Scrub and rinse. Scrub gently with a sponge. Rinse with water and be sure to soak up any excess cleaner. Follow the directions on the label closely, as these products can be toxic. Soak the towel with liquid dishwashing detergent and a small amount of water. Allow the mixture to sit on the stain for thirty minutes, then wipe away. Rinse and dry.
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One-sentence summary -- Use a non-abrasive household scouring agent. Soak hydrogen peroxide, diluted bleach, or white vinegar into stained grout. Use a commercial tile cleaner. Cover the stain with a piece of paper towel.

Every straw sounds different. It may even sound just like a clarinet!
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One-sentence summary -- Blow into the "reed" similarly to a woodwind such as an oboe.

Mix two to three tablespoons (15 to 45 ml) of a mild soap or detergent into the water. Mix the water and soap together until they are well-combined. Alternatively, you can purchase a specially formulated limestone cleaner from your local hardware store to clean your limestone fireplace. Do not use soap that contains ammonia, vinegar, bleach, acids and other harsh chemicals commonly found in household cleaners to clean your limestone. Squeeze out any excess water. Starting from the top, begin to wipe down your fireplace. Cover the whole surface with the solution. Then let the solution set for one to two minutes. Alternatively, you can use a soft sponge, like the sponges used to wash cars, to clean the limestone. After the solution has finished setting, dip your cloth in the solution and wipe down your fireplace again. Use more pressure this time to remove visible dirt and debris. You may use a very soft bristle brush or toothbrush to remove stubborn dirt, as well as dirt from small crevices. Pour the soap solution out and refill the bucket with clean water. Dip a clean microfiber cloth into the water, and squeeze out any excess water. Then wipe your fireplace from the top down until all the soap, dirt, and debris are removed. Make sure to rewet your cloth in between wipes for a thorough clean. Or use a dry, microfiber cloth to dry your fireplace. Wipe your fireplace down with the clean cloth until it is completely dry.
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One-sentence summary --
Fill a bucket with warm water. Dip a microfiber cloth into the water. Wipe down your fireplace. Rinse with water. Let the limestone air dry.