In a medium bowl, whisk soy sauce and sugar until the sugar is completely dissolved; stir in garlic, ginger, chile and oil.
Place pork in a heavy duty, resealable plastic bag and add marinade; squeeze air out and seal. Turn the bag to coat the medallions, then refrigerate for 2 hours, turning the bag once to redistribute the marinade. (I marinated several hours, turning at least every couple of hours.).
Preheat grill to medium. Remove pork from marinade (discard marinade); grill until just cooked through, 3 to 5 minutes per side.
*Note: I've seen several questions and a bit of confusion in the forums here regarding pork tenderloin versus pork loin roast. They are not the same. Pork tenderloin is a very lean, tender cut from the loin section. It is long and slender, and usually weighs between 3/4 and 1 1/2 pounds. It has a mild flavor, so it benefits from being prepared with a rub, marinade or sauce, but does NOT benefit from extended cooking. To keep tenderloin juicy, make sure you don't overcook it. Contrary to rules from the past, most pork now is safe and best enjoyed still slightly pink in the center ;).

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Nutrition Facts

Per Serving Per 100 g

Amount Per 1 Serving
Calories	161.17 Kcal (675 kJ)
Calories from fat	40.94 Kcal
		% Daily Value*
Total Fat	4.55g	7%
Cholesterol	73.69mg	25%
Sodium	414.49mg	17%
Potassium	477.7mg	10%
Total Carbs	3.97g	1%
Sugars	2.85g	11%
Dietary Fiber	0.14g	1%
Protein	24.39g	49%
Vitamin C	0.2mg	0%
Iron	1.4mg	8%
Calcium	8.6mg	1%

Amount Per 100 g
Calories	123.56 Kcal (517 kJ)
Calories from fat	31.39 Kcal
		% Daily Value*
Total Fat	3.49g	7%
Cholesterol	56.5mg	25%
Sodium	317.78mg	17%
Potassium	366.24mg	10%
Total Carbs	3.04g	1%
Sugars	2.19g	11%
Dietary Fiber	0.1g	1%
Protein	18.7g	49%
Vitamin C	0.2mg	0%
Iron	1mg	8%
Calcium	6.6mg	1%

* Percent Daily Values are based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Find out how many calories should you eat.

Tastes

salty
savory
bitter
sweet

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