Preheat the oven to 350F degrees.
In an pan, heat up vegetable oil. Add chopped onion and garlic, season with salt and pepper and sauté for about 30 seconds to a minute.
Add the chopped spinach to the pan and pour in 1 teaspoon of lemon juice and cook for 2 minutes, stirring constantly. Transfer to a separate bowl to cool.
When the spinach cools down, add grated gouda cheese to the bowl, mix together and set aside.
Butterfly the turkey breast with a pairing knife and open it up like a book.
Place a piece of saran wrap on counter and place chicken on top of saran wrap. Place another piece of saran wrap on top of the turkey breast and beat with a meat tenderizer until it's thin and flat enough to roll.
Remove the saran wrap from the top of the turkey breast and season with salt and pepper. Take the filling mixture from the bowl and place on one side of the turkey breast.
Roll up the turkey breast (can secure roll with kitchen twine) and wrap the roll in strips of bacon. Place a piece of parchment paper along with the parsley stalks on the bottom of the baking dish. Spread the slices of lemon on top of the parsley.
Transfer the roll to a baking pan, pour olive oil over it. Pour in the white wine. Cover with foil. Place in a preheated oven and bake for 30 minutes.
Remove the foil. Take a baster and squeeze in the sauce from the bottom of the baking dish and pour the sauce over the turkey roll and bake for another 30 minutes and until the internal temperature is at 165F degrees.
Allow to rest for about 5-10 minutes, slice and enjoy warm.