California Avocado Shrimp Tostadas

INGREDIENTS

• 4 small corn tortillas
• 1/2 cup grape seed oil
• 3 California Avocado
• 3 tbsp chopped chives
• 1 lime, juiced
• 1 cup refried beans
• 4 ears of corn, grilled and kernels removed
• 1/2 lb medium sized shrimp, peeled and de-veined
• 1 red bell pepper, chopped
• 1 tsp cayenne pepper
• 1 tsp garlic powder
• salt and pepper to taste