1 In a large bowl, thoroughly whisk together the flour, sugar, baking powder, and salt.
2Carefully spoon the mixture into a clean 1-quart Mason jar. Tap the bottom of the jar lightly on a towel-covered counter to settle the dry ingredients so they all fit.
3Seal tightly with a lid.
Wet Ingredients
1 1/2cupssoftened butter
1 1/2 cupsmilk
2tbspoil
1tbspvanilla extract
3largeeggs (If you want a white cake, use 6 egg whites instead)
Additions or substitutions (but it wont fit into a quart jar)
For 1½ cups milk, use:6 tablespoons nonfat dry milk powder (⅜ cup) 1½ cups water
For 1½ cupssoftened butter, use:powder¾ cup neutral oil (such as vegetable or canola oil)
For 3 large eggs,use:6 tablespoons whole egg powder6 tablespoons water (⅜ cup) Mix until smooth before adding.
Instructions
Instructionsto Attach for BakingWrite thesedirections on a gift tag and tie it around the jar:To Bake the Cake:Preheat your oven to 350°F and grease a 9x13-inch baking pan. Empty the contents of the jar into a large mixing bowl. Add 1 ½ cups softened butter, 1 ½ cups milk, 2 tablespoons vegetable oil, 1 tablespoon vanilla extract, and 3 large eggs. Beat with an electric hand mixer on medium speed for about 2 minutes until smooth. Pour the batter into your prepared pan and bake for 25 to 30 minutes, or until a toothpick inserted into the center comes out clean.