
2 tablespoons olive oil
2 tablespoons salted butter
2½ large kohlrabi bulbs, leaves removed and reserved; bulbs peeled and cut into ¾-inch cubes
1 large shallot, thinly sliced
1 (4-ounce) package baby bella mushrooms, quartered
1 (4-ounce) package shiitake mushrooms with stems, halved lengthwise
2 cloves garlic, thinly sliced
1 teaspoon coarse kosher salt
1 teaspoon ground white pepper
2 cups RiceSelect Royal Blend (white, brown, wild, and red rice), rinsed
½ cup dry white wine
3 cups vegetable stock
¾ cup heavy whipping cream
2 tablespoons chopped fresh tarragon, divided; plus additional for garnish
2 tablespoons plus 1 teaspoon fresh lemon juice
½ large kohlrabi bulb, peeled and cut into matchsticks for garnish