First things first, grab that can of refrigerated biscuits. Pop it open and lay the biscuits out. You're going to cut each biscuit into quarters. Just use a knife or even kitchen shears.
Take each little quarter and quickly roll it between your palms to form a rough ball. Don't worry about making them perfect spheres; rustic is charming!
Now, let's get the oil ready. Pour about 2 inches of vegetable oil into a deep skillet or a medium saucepan. Place it over medium heat. You'll need a thermometer to get the temperature just right – aim for 350°F (175°C). This is important for even cooking!
Once the oil is hot, carefully lower a few donut holes into the oil using a slotted spoon or spider. Don't overcrowd the pan; cook them in batches so they have room to fry evenly. They'll puff up quickly! Fry for about 2–3 minutes, turning them occasionally with your spoon, until they are a beautiful golden brown all over and look cooked through.
As they finish frying, lift them out with the slotted spoon and place them on a plate lined with paper towels to drain off any excess oil.
While the donut holes are draining (or even while the oil is heating up), whip up that luscious filling! In a medium bowl, add your softened cream cheese, powdered sugar, strawberry jam, and vanilla extract. Beat it with an electric mixer (or a whisk and some elbow grease!) until it's super smooth and creamy, with no lumps.
Scoop your delicious filling into a piping bag fitted with a small round tip. If you don't have a piping bag, no worries! A sturdy zip-top bag with one corner snipped off works perfectly.
Once the donut holes are cool enough to handle comfortably (but still warm!), it's time to stuff them! Take a small, sharp knife or even a skewer and make a little hole in the side of each donut hole, pushing it in gently to create a pocket inside.
Now, insert the piping bag tip into the hole and gently squeeze the filling in until you can feel the donut hole get a little heavier or see a tiny bit of filling start to peek out. Don't overfill, or they might burst!
If you're doing the cinnamon sugar coating, mix the granulated sugar and cinnamon in a shallow bowl.
While the filled donut holes are still warm (the coating sticks best then!), roll them around in the mixture until they're nicely coated.
Serve these little beauties immediately! That warm donut with the cool, creamy filling is pure bliss.