This delicious salsa roja is truly the best salsa ever! It’s healthy, low carb, gluten-free and unlike store-bought salsa, this recipe is made without any additives or preservatives. Fresh, Healthy and Delicious: This authentic Mexican salsa is made with a handful of fresh ingredients like whole tomatoes and jalapeño peppers.We often ate at Mexican restaurants and food trucks and have tried many different types of salsas but, when it came to salsa recipes our homemade fresh Mexican salsa recipe beat any restaurant-style or store bought salsa by far! Why This Recipe Works Living in California for so many years meant, among other things, having the best authentic Mexican food available. 9 Should You Cook Tomatoes Before Making Salsa?.