Colombian-style Cottage Pie Recipe

Ingredients (10)

• 2 1/2 pounds yuca, peeled
• 6 tablespoons unsalted butter
• 1 large onion, finely diced (about 1 1/2 cups)
• 1 (14-ounce) can diced tomatoes
• 1 tablespoon tomato paste
• 2 pounds ground chuck
• 2 tablespoons flour
• 2 cups homemade or store-bought low sodium chicken broth
• Kosher salt and freshly ground black pepper
• 1/2 cup whole milk