FREE: HOMEMADE CANDLE AND TART~~~BLUEBERRY PIE & CHOCOLATE CHIP COOKIES

There are also electric tart warmer. These used to be called potpourri simmer pots, oil burners, etc. Even crock pot makes a simmering pot. Since companies such as scentsy, gold canyon, yankee and bbw made the melting tarts so popular these warmers or burners both electric and candle powered are now mostly associated with tarts. Yes if you simmered them in an old pot it would work. Wanna buy a burner check any of the aforementioned companies or ecoscents, tartwarmers.com or even here on listia:) awesome auction BTW these are so cute!