Give your caffeine routine a jolt with these Wirecutter-recommended electric kettles, coffee makers, tea steepers, mug warmers, and more. Few ingredients are as loved (and villainized) as butter.

Which butter warmers are best? One of the most versatile and common ingredients in the kitchen, butter is so delicious that it can be used as a dipping sauce without any other ingredients being added.

Which butter warmers are best? One of the most versatile and common ingredients in the kitchen, butter is so delicious that it can be used as a dipping sauce without any other ingredients being added.

Sadly, making it often ends in frustration when your perfect slice falls apart as you try to spread on a cold lump of butter that just won’t melt. Now designers believe they’ve conquered the ...