Pickled Mushrooms Recipe

3/4 cup vegetable oil
1/2 cup distilled white vinegar
1 tsp. salt
1 tsp. granulated sugar
1/2 tsp. dried tarragon leaves
1/2 tsp. dried rosemary leaves
6 whole peppercorns
2 cloves garlic, minced
1 1/2 lbs. small fresh mushrooms, rinsed, stems trimmed

In a 3-quart saucepan, combine all ingredients except mushrooms. Bring to a boil. Cover, reduce heat and simmer for 10 minutes. Add mushrooms and simmer, uncovered, for 3 minutes, stirring occasionally. Place mixture in nonmetallic container. Cover and chill overnight, stirring occasionally.