2 slices thick cut bacon (cut crosswise into 1/4-inch thick slices)
8 ounces button mushrooms (ends trimmed and sliced in half or quarters, depending on size)
2 large shallots (thinly sliced)
4 cups fresh English peas (shelled)
1/3 cup heavy (whipping) cream
1 tablespoon chopped fresh tarragon or thyme
  Salt and freshly ground pepper (to taste)