West Coast Grilled Vegetable Pizza

INGREDIENTS

• 3 tablespoons olive oil
• All-purpose flour, for shaping dough
• 1 pound store-bought pizza dough, fresh, or thawed if frozen
• 2 plum tomatoes, thinly sliced crosswise
• 2 scallions, white and green parts separated, thinly sliced
• 1 log (5 ounces) soft goat cheese, crumbled
• Coarse salt and ground pepper
• 1 bag (5 ounces) baby spinach
• 1 avocado, halved, pitted, peeled, and diced
• 2 tablespoons red-wine vinegar