Paleo Greek Meatballs with Tzatziki

Name: Paleo Greek Meatballs with Tzatziki
Ingredients: 1 lb ground beef (or lamb); 1/2 cup almond flour (for binding); 1/4 onion (finely chopped (adds sweetness)); 2 cloves garlic (minced (for flavor)); 1 tsp dried oregano (for aroma); 1 tsp dried mint (optional, for freshness); 1 egg (for binding); 1/2 tsp salt (for seasoning); 1/4 tsp black pepper (for seasoning); 1/4 cup fresh parsley (chopped (optional topping)); 1 cup Greek yogurt (for tzatziki); 1/2 cucumber (grated and drained (for tzatziki)); 1 clove garlic (minced (for tzatziki)); 1 tbsp fresh lemon juice (adds brightness); Salt and pepper to taste (for tzatziki)