In a skillet set over medium heat, add the minced garlic and onion to the heated olive oil. Cook for about 5 minutes, until they are soft and translucent.
Break up the pork sausage with a spoon before adding it to the skillet. Cook until golden brown. Once combined, add the sage, salt, pepper, thyme, and salt. Remove the pan from the heat and allow it to cool for a bit.
Dust a surface with a little flour and roll out the puff pastry. Make rectangles measuring around 5 by 3 inches each.
Divide the sausage mixture in half and place a small amount on each end of the pastry rectangles.
Apply a small amount of beaten egg to seal the pastry, then roll it over the sausage, making sure to tuck in the ends.
Arrange the rolls, seam side down, on a parchment-lined baking sheet. Brush them with the remaining beaten egg.
Bake them for 25-30 minutes in a preheated oven, or until they become golden brown.
Allow them to cool for a bit before serving.
Tips and Variations
To make the sausage mixture spicier, you can add a pinch of cayenne pepper or red pepper flakes.
Change things up by using ground turkey or beef instead of pork if you desire.
Garnish the sausage with shredded cheddar or mozzarella before rolling out the pastry for a tasty treat.