Golden French Fries

2 pounds Yukon Gold potatoes, peeled and cut
into 1/2 inch cubes

3/4 tsp salt plus more for cooking water

2 pounds sweet potatoes, peeled and cut
into 1/2 inch cubes

3 tbsp butter

1 large onion, coarsely chopped

2 cloves garlic, finely chopped

1/2 tsp ground black pepper

Place Yukon Gold potatoes in a 4 quart saucepan and

cover with salted water by 3 inches. Bring to a boil over high

heat; cook 2 minutes. Carefully add sweet potatoes and bring to

a boil. Cook until potatoes are fork tender and still firm 10-12

minutes. Drain and place on large baking sheet in a single layer

to cool. In a large skillet, melt butter over medium heat. Add onion

and cook until translucent, 5-7 minutes. Add garlic and cook 1 minute

more. Add reserved potatoes, 3/4 tsp salt, and the black pepper to

skillet. Cook, stirring occasionally, until browned and cooked through

15-20 minutes. Serve immediately.