how to make candy apples smooth shiny perfect no bubbles

hey guys heres a quick video on how to make the candy and how to cover the apples in candy.

recipe:
12 small / medium sized granny smith apples cleaned
3 cups of white granulated sugar
1 cup of water
1 cup of light corn syrup
white food coloring
the food coloring of your choice
1 dram of flavoring oil or 3 tsp of vanilla

supplies:
any sauce pot
silicone baking mat or a foil pan
silicone spatula
candy thermometer