Spicy Mexican fajitas

Ingredients

• 675g / 1lb 7oz beef fillet, centre-cut, cut into 1cm / ½ inch slices
• 3 cloves garlic, crushed to a paste with a little salt
• Juice and grated zest of 2 unwaxed lemons
• 1 ½ teaspoons ground cumin
• 1 teaspoon ground coriander
• ½ teaspoon cayenne pepper
• 2 tablespoons extra virgin olive oil
• 1 jar roasted peppers, drained and cut into strips
• 1 jar roasted artichokes, drained and cut into quarters
• 1 jar hot chunky tomato salsa
• Soured cream, to serve
• 12 small soft flour tortillas

Guacamole

• 2 large avocados
• ½ teaspoons ground cumin
• ½ teaspoon ground coriander
• 2 plum tomatoes, deseeded and diced
• 1 lime, juice only
• 1 teaspoon tabasco sauce
• 1 small finely chopped red onion
• 2 tablespoons roughly chopped coriander leaves
• 2 tablespoons extra virgin olive oil