BLACKBERRY CAKE

INGREDIENTS

Blackberry Cake:
8 ounces (227 g) buttermilk (or regular milk with 1 Tbsp white vinegar added) (Make sure your buttermilk is fairly fresh, the older buttermilk is the higher the acidity level)
3 ounces (85 g) vegetable oil
3 large eggs
1 tablespoon lime zest (About 1 lime)
1 tablespoon lime juice
12 ounces (340 g) all-purpose flour
11 ounces (312 g) granulated sugar
1 teaspoon salt
1 teaspoon baking soda
8 ounces (227 g) unsalted butter
2 tablespoons all-purpose flour (For dusting on blackberries)
4 ounces (113 g) blackberries (You can use frozen, but don’t thaw them)

Blackberry Puree:

16 ounces (453 g) fresh or frozen blackberries
1 tablespoon lime zest
2 tablespoon lime juice
1 tablespoon corn starch
1/8 teaspoon salt