Preheat oven to 400-degrees Fahrenheit. Place salmon pieces on a sheet pan lined with parchment paper. Season with salt and pepper; roast for 10 minutes.
In a small bowl, combine mustard, maple syrup, garlic and lemon juice. After the 10 minutes of cooking, brush salmon with mixture and return to the oven for 5 minutes or until salmon is just cooked through.
fast, easy and delish! enjoy!