By Kelly Reemsten, via ArtLove @ Tumblr   Junk-free condiments are one of the foundations of a happy kitchen. Here are two rad tahini-based ones that can be used for whatever takes your fancy.   Tahini Duo: Minty Dressing & Spicy Sauce Tangy Tahini Lemon-Mint Dressing What you need: 1/4 cup hulled tahini 1/4 cup…