Roasted potatoes and onions with rosemary and mustard

By jargrr

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Ingredients

• 1 large (or 2 small) yellow onion, quartered and thinly sliced
• 2.5 lbs unpeeled red potatoes, cut into approximately 1/2 inch cubes
• 3 tablespoons olive oil
• 1 tablespoon whole grain mustard
• 1 tablespoon chopped fresh rosemary
• plenty of salt and pepper

Preparation

Step 1

Directions

Instructions
Mix all ingredients in a large bowl (make sure you salt liberally!).
Spread evenly on a sturdy rimmed baking sheet.
Roast at 425 degrees for approximately 1 hour, stirring once halfway through, until potatoes are browned and onions crispy.