Which is the most effective way to improve hdl cholesterol levels? by lowering saturated fat intake by lowering polyunsaturated fat intake by engaging in routine exercise by drinking green tea?

HDL stands for high-density lipoprotein cholesterol. It is the good cholesterol, that carries excess cholesterol to your liver so it doesn’t build up in your bloodstream. While LDL (low density lipoprotein) is the bad. High cholesterol is the condition of  too little HDL cholesterol and too much LDL. Incorporating
Daily exercise is one of the best natural ways to boost your HDL.So,the most effective way to improve hdl cholesterol levels is by engaging in routine exercise .
HDL-friendly foods into your daily diet will also raise HDL.

You did not show us the image of the burger, but i shall try to answer as best i can.  when purchasing food, always consider the ingredients as well as the person who prepared it. consider if they were hygienic people or not, in case the burger was infected with bacteria. no mortal should place an infected burger into their mouth.