Gluten-Free Vanilla Cake: – 2 ⅓ cups (320g ) gluten-free all-purpose flour – 1 ½ cups (330g ) granulated sugar – 1 tsp sea salt – 2 tsp baking powder – 1/4 tsp baking soda – 3/4 cup (175ml) avocado oil – 1 cup (225ml) full-fat canned coconut milk – 3 large egg – 1 Tbsp pure vanilla extract Dairy-Free Vanilla Buttercream Frosting: – 2 sticks (1 cup, 230g) vegan butter* – 4 to 6 cups (480-600g) powdered sugar** – 6 to 8 Tbsp (80-100ml) full-fat canned coconut milk, as needed*** – 1 tsp pure vanilla extract – Pinch sea salt