Balsamic Glazed Steak Rolls

Ingredients

For 8 servings

• 8 thinly sliced pieces of sirloin steak (about 1/8 inch thick
• Extra-virgin olive oil
• Sea salt and freshly ground black pepper
• Some chopped fresh rosemary
• The following all sliced into thin strips: 1 small yellow onion
• 1/4 cup dark balsamic vinegar
• 2 tablespoons red wine
• 1 tablespoon dark brown sugar ((paleo: use coconut sugar))
• 1 clove garlic
• 2 sprigs fresh rosemary
• ¼ teaspoon freshly ground black pepper
• ¼ teaspoon sea salt
• 1 teaspoon cornstarch dissolved in ¼ cup beef or chicken broth