Chicken Taquitos with Guacamole Recipe

Name: Chicken Taquitos with Guacamole Recipe
Ingredients: For the Guacamole; 2 avocados, cut in half, pits removed, flesh scooped out and chopped (about 1 1/2 cups); 1/4 small white onion, diced, rinsed under water, and drained (about 1/4 cup); 1/2 jalapeño, stemmed, seeded, and minced (about 2 teaspons); 1 medium garlic clove, minced (about 1 teaspoon); small handful fresh cilantro, stems removed, roughly chopped; 1 1/2 tablespoons fresh lime juice from 1 to 2 limes; Kosher salt; For the Taquitos; 1/2 cup plus 1 tablespoon canola oil, divided; 1/2 small white onion, cut into 1/2-inch thick slices; 1 medium garlic clove, peeled; one 15-ounce can tomatoes, drained; 1 jalapeño, stemmed, seeded, and diced; 1 1/2 pounds cooked chicken, shredded; 12 corn tortillas; 1/2 head Romaine lettuce, thinly sliced; 8 small radishes, ends trimmed, thinly sliced; Mexican crema or sour cream