Preheat your oven to 180C/350F.
Place a large pot half filled with water on high heat and bring to the boil.
Meanwhile, wash the spinach and toss two handful’s of spinach into the boiling water to blanche for 2 minutes.
Prepare a large bowl with ice and water.
Remove the spinach and stir through the ice water.
Repeat with the remaining spinach until all have been placed into the ice water.
Drain and squeeze the excess water out of all the leaves.
Chop the spinach coarsely and separate as much as possible. Set aside.
Place a large pan onto low to medium heat with the olive oil.
Toss in the shallots and garlic, cooking for 4 minutes, until it is beginning to brown at the edges.
Toss in the spinach, cayenne pepper and ground cumin, stirring to combine.
Continue to cook for a further 5 minutes.
Remove from the heat and set aside for cool for 5 minutes.
Stir through the crumbled feta until evenly distributed. Set aside.