Warm the olive oil in a sauté pan over medium heat. After 90 seconds, when the oil is hot, sauté diced onion and minced garlic for 3-4 minutes until softened.
Raise the heat to high and add the tomato paste, miso paste, chopped sun-dried tomatoes, nutritional yeast, dried oregano, pepper, dried thyme, fennel seeds, salt, maple syrup, molasses, smoked paprika, crushed red pepper flakes and unsalted vegetable stock (or water) and liquid smoke. After the mixture comes to a boil, remove the pan from heat and allow the mixture to cool for 10 minutes.
In a large mixing bowl, stir together the plain pea protein and vital wheat gluten. Pour the contents of the pan into the bowl with the dry ingredients.
Knead the mixture for a few minutes until it forms a firm dough. If the mixture is too dry to come together, you can add a tiny bit of extra water as needed.
Divide the dough into 6 equal pieces and shape them into sausage links.
Wrap each sausage link individually in lightly oiled parchment paper, and then wrap the parchment-wrapped sausages in aluminum foil, twisting the ends to seal.
In a steamer over medium heat, steam the wrapped sausages for 35 minutes until they are firm and fully cooked.
After steaming, you can unwrap the sausage and grill or pan-fry them for added texture and flavor.