Ground beef chalupas

Ingredients

• 375 grams of flour
• 1 tablespoon of baking powder
• 1/2 teaspoon of fine salt
• 2 tablespoons of dairy butter
• 250 ml of full-fat milk
• sunflower or other neutral oil
• 400 grams of ground beef
• 1 teaspoon of onion powder
• 1 tablespoon of ground paprika
• 1/2 teaspoon of chilli powder
• 1 teaspoon of garlic powder
• 1 teaspoon of ground cumin seeds
• 1 teaspoon of salt
• ¼ iceberg lettuce
• 3 tomatoes
• large handful of cheddar cheese
• optional: crème fraîche or garlic sauce