Melting chocolate
Microwave 4 ounces of chocolate at 50% power for 1:30 minutes. Stir, add any fat needed in your recipe, and microwave at 50% power until fully melted, about 1 minute. Chocolate holds its shape even when fully melted, so stir to check texture.
Defrosting butter
Microwave two sticks of frozen butter at 50% power for 2 minutes. Turn butter over and microwave at 50% power for 1 minute. The ends will be melted a bit when the center is soft.
Melting butter
Cut one stick of butter into eight pieces. Put in bowl and cover loosely. Microwave at 50% power until melted, 2:00-2:30 minutes. (4 Tbsp takes 1:30 minutes.) The butter separates cleanly, making it easy to clarify.
Softening brown sugar
Put 1 cup sugar on a plate, cover with a small piece of wax paper, and top with a slice of bread. Cover and microwave at 100% power until softened, about 30 seconds.
Warming eggs
Put cold egg in bowl and microwave at 30% power for 10 seconds. For each additional egg, add 5 seconds.
Warming syrup
Microwave 1/2 cup syrup in pitcher at 100% power until warm, about 30 seconds.
Warming rice
Sprinkle 1 cup cooked rice with 2 tsp water and cover loosely. Microwave at 100% power until hot, about 1:30 minutes. Let stand for 2 minutes.
Rising bread
Microwave 2 cups water at 100% power until it boils, about 6 minutes. Place a covered bowl of dough alongside the water. Close microwave door and let stand until dough has doubled in size, about 30 minutes.
Boiled potatoes
Place 2 medium red potatoes in a bowl and loosely cover. Microwave at 100% power until cooked through, about 6 minutes.
Potenta
Combine 1 cup polenta and 3 1/2 cups water in a bowl. Cover and microwave at 100% power for 6 minutes. Stir thoroughly, then microwave at 100% power until cooked, 5-6 minutes longer.
Corn on the cob
Rinse unhusked, unsilked ears under cold water. Microwave at 100% power, 4-6 minutes for two ears and 8-9 minutes for four ears. Let stand in microwave for 3 minutes longer.
Steamed salmon
Put two 8-oz salmon steaks on a dish and loosely cover. Microwave at 100% power for about 3:30 minutes. Let stand for 2 minutes.
Steamed clams
Put 8-15 clams, hinge side out, on a dish and loosely cover. Microwave at 100% power until clams open, anywhere from 1:30 to 3:30 minutes, depending on the quantity.