Tomato Crostini with Whipped Feta

INGREDIENTS

• 2 tablespoons freshly squeezed lemon juice
• 20 to 25 (1/2-inch-thick) diagonal baguette slices, toasted
• 2 teaspoons minced garlic (2 cloves)
• Kosher salt and freshly ground black pepper
• 2 tablespoons minced shallots (2 shallots)
• 2 tablespoons toasted pine nuts
• 2 ounces cream cheese, at room temperature
• 2 pounds ripe heirloom or cherry tomatoes, 1/2-inch-diced
• 6 ounces good feta, crumbled
• 3 tablespoons julienned fresh basil leaves, plus extra for serving
• 2/3 cup good olive oil, divided
• 2 tablespoons good red wine vinegar