Spicy Nuts with Fried Garlic, Shallots & Rosemary - SippitySup

Ingredients

• 5 cups mixed nuts, such as walnuts, cashews, almonds, pecans, and hazelnuts
• 1 tablespoon extra-virgin olive oil
• 2 small shallots, thinly sliced crosswise into rings to yield about ¼ cup
• 5 cloves garlic, peeled and thinly sliced lengthwise
• 2 tablespoons unsalted butter
• ¼ cup coarsely chopped fresh rosemary
• ½ teaspoon crushed red-pepper flakes, or to more taste
• 1 tablespoon firmly packed dark brown sugar
• 1 tablespoon kosher salt