Step 1

Grease six silicone cupcake liners.

Step 2

In a large bowl, combine flour, oats, baking powder, baking soda, and salt.

Step 3

In a medium bowl, combine vanilla, butter, eggs, and sugar.

Step 4

Pour wet ingredients from medium bowl into the bowl with dry ingredients. Gently combine ingredients. Do not overmix. Fold in blueberries, then spoon mixture into prepared cupcake liners.

Step 5

Add water to the Instant Pot and insert steam rack. Place cupcake liners on top. Lock lid.

Step 6

Press the Manual or Pressure Cook button and adjust time to 9 minutes. When timer beeps, quick-release pressure until float valve drops. Unlock lid.

Step 7

Remove muffins from pot and set aside to cool 30 minutes. Serve.