Vegan Chocolate Cheesecake

Ingredients

• 1 1/4 cups chocolate or regular graham cracker crumbs (from nine 5-by 2 1/2-inch graham crackers)
• 3 tablespoons sugar
• 4 tablespoons earth balance vegan buttery spread, melted and cooled, plus additional for greasing pan
• 2 1/4 cups sugar, divided
• 1/3 cup water
• 8 ounces bittersweet chocolate (no more than 60% cacao), chopped
• 1/4 cup unsweetened cocoa powder (not dutch-process)
• 2 (8-ounces) containers soy cream cheese at room temperature
• 1 teaspoon pure vanilla extract
• 1/4 teaspoon salt