Spring-Vegetable Pizza

Ingredients

• 1 teaspoon olive oil
• 2 cups thinly sliced leek (about 2 large)
• 1 1/2 cups (1-inch) sliced asparagus (about 1 pound)
• 1 1/2 teaspoons chopped fresh or 1/2 teaspoon dried sage
• 1/4 teaspoon salt
• 1/4 teaspoon black pepper
• 3 cups torn spinach
• 1 (10-ounce) Italian cheese-flavored pizza crust (such as Boboli)
• 1/4 cup (2 ounces) goat cheese