use either a hot glue gun to secure the candle wick to the bottom of the jar (or do what I did and just use a bit of wax). To keep the wicks centered, you can wrap them around skewers, that you lay across the top of the jar.
using a double broiler, melt the beeswax pellets and coconut oil until completely melted.
turn off heat and add extract (can use any flavor, or essential oil you'd like)
pour the melted wax concoction into your jar (I used a funnel so I didn't spill)
If the wax hardens too quickly, melt again over the double broiler.
Cut the wick as needed