Cook your pasta separately on the stovetop as you make the sauce - you can drain and mix a little olive oil into the pasta until you're ready to add it to the sauce.
Heat your olive oil, garlic and onion on the stovetop on medium-low heat, until onion and garlic start to brown.
Add in chopped tomatoes and simmer for a few minutes until they darken in color.
Add your ricotta pesto and stir until fully mixed.
Add in the vodka and let it simmer for a few minutes until slightly evaporated. then pour in the heavy cream and simmer for about 4-5 minutes, stirring often.
Add your herbs and spices, stirring to fully combine.
Mix in the parmesan cheese, then add your drained pasta to the saucepan and fold until fully coated.
Transfer your pasta to your serving dishes and top with some extra pepper and asiago cheese.