Winter Vegetable Hash

Ingredients

• 3 tablespoons olive oil
• 2 tablespoons butter
• 1 pound Yukon Gold potatoes, diced
• 0.5 pound fresh shiitake mushrooms, diced
• 1 red bell pepper, diced
• 1 small acorn squash, diced
• 1 shallot, finely chopped
• 2 teaspoons garlic powder
• 1 pinch salt
• 1 pinch ground black pepper
• 1 cup chopped kale
• 4 sprigs fresh sage