1In medium bowl, mix flour, baking powder, table salt, beer and Sriracha sauce with whisk until smooth.
2In 5-quart Dutch oven or heavy saucepan, heat 2 to 3 inches oil to 350°F. Toss avocado quarters with lime juice. Working in small batches, dip avocado quarters in batter. Fry in hot oil about 2 minutes or until golden brown. Drain on paper towels; sprinkle with sea salt.
3Serve fried avocado warm, garnished with tomato.