Ceviche without sugar scallions greens

1lb shrimp (tilapia, clams, octopus, sea bass, etc.) 1 small onion , minced 1 clove of garlic , large, minced 1 jalapeno (or 1/2 a small habanero, if you[...]

2.5 lb Orange Roughy Fish 1 Tablespoon of salt 10 - 12 Limes 1/2 Onion Serrano peppers Cilantro 2 -3 Tomatoes 3 Avocados Tostadas Cut the fish into very small[...]