I’m a peanut butter fiend. I add it to my smoothies and my granola, top it with some dark chocolate chips for a “healthy” dessert — let me lie to myself, please — and often eat it straight from the jar. But every time I finish a last spoonful, I face a dilemma: how do I recycle the container? As someone who tries to do what I can for the environment, I resort to the extreme. I run my kitchen sink until the water is burning hot (more on that later), let the container fill up and leav...