Golden Quinoa Cakes with Salsa Fresca

INGREDIENTS

• 1/2 teaspoon kosher salt
• 11/2 tablespoons unsalted butter
• 1 large garlic clove, minced
• Pinch of kosher salt
• 1/4 cup sweet rice flour (also labeled "Mochiko")
• Kosher salt, to taste
• 2 cups water
• 1/2 avocado, diced
• 1/4 cup cilantro, chopped
• Canola oil for frying the cakes
• 1/2 cup green onion, sliced
• 1 Hatch chile
• 1 cup quinoa
• 2 French breakfast radishes, diced (or 4 round radishes, diced)
• 2 large eggs
• 1/2 teaspoon whole coriander seed
• 1/2 lemon, juiced (yield about 1/4 cup)
• 3 tablespoons buttermilk
• 8 to 10 sweet cherry or pear tomatoes, diced
• 1/2 teaspoon whole cumin seed
• 1/2 cup cheddar, grated
• 1 tablespoon sour cream